38876798449 has 4 divisors (see below), whose sum is σ = 41163668964. Its totient is φ = 36589927936.

The previous prime is 38876798431. The next prime is 38876798479. The reversal of 38876798449 is 94489767883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11695341025 + 27181457424 = 108145^2 + 164868^2 .

It is a cyclic number.

It is not a de Polignac number, because 38876798449 - 2⁵ = 38876798417 is a prime.

It is a super-2 number, since 2×38876798449² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38876798419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143435232 + ... + 1143435265.

It is an arithmetic number, because the mean of its divisors is an integer number (10290917241).

Almost surely, 2^38876798449 is an apocalyptic number.

It is an amenable number.

38876798449 is a deficient number, since it is larger than the sum of its proper divisors (2286870515).

38876798449 is a wasteful number, since it uses less digits than its factorization.

38876798449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286870514.

The product of its digits is 585252864, while the sum is 73.

The spelling of 38876798449 in words is "thirty-eight billion, eight hundred seventy-six million, seven hundred ninety-eight thousand, four hundred forty-nine".