38098978518969 has 9 divisors (see below), whose sum is σ = 55031884607973. Its totient is φ = 25399306667772.

The previous prime is 38098978518949. The next prime is 38098978518989. The reversal of 38098978518969 is 96981587989083.

It is a happy number.

The square root of 38098978518969 is 6172437.

It is a perfect power (a square), and thus also a powerful number.

38098978518969 is a `hidden beast` number, since 3 + 8 + 0 + 9 + 89 + 7 + 8 + 518 + 9 + 6 + 9 = 666.

38098978518969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38098978518949) and next prime (38098978518989).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 38098978518969 - 2¹³ = 38098978510777 is a prime.

It is a super-2 number, since 2×38098978518969² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38098978518949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17488572 + ... + 19546050.

Almost surely, 2^{38098978518969} is an apocalyptic number.

38098978518969 is the 6172437-th square number.

38098978518969 is the 3086219-th centered octagonal number.

It is an amenable number.

38098978518969 is a deficient number, since it is larger than the sum of its proper divisors (16932906089004).

38098978518969 is an frugal number, since it uses more digits than its factorization.

38098978518969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114964 (or 2057482 counting only the distinct ones).

The product of its (nonzero) digits is 16930529280, while the sum is 90.

The spelling of 38098978518969 in words is "thirty-eight trillion, ninety-eight billion, nine hundred seventy-eight million, five hundred eighteen thousand, nine hundred sixty-nine".