8198739995 has 4 divisors (see below), whose sum is σ = 9838488000. Its totient is φ = 6558991992.

The previous prime is 8198739881. The next prime is 8198740003. The reversal of 8198739995 is 5999378918.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8198739995 - 2¹⁶ = 8198674459 is a prime.

It is a super-2 number, since 2×8198739995² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819873995 + ... + 819874004.

It is an arithmetic number, because the mean of its divisors is an integer number (2459622000).

Almost surely, 2^8198739995 is an apocalyptic number.

8198739995 is a deficient number, since it is larger than the sum of its proper divisors (1639748005).

8198739995 is a wasteful number, since it uses less digits than its factorization.

8198739995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639748004.

The product of its digits is 44089920, while the sum is 68.

The square root of 8198739995 is about 90546.8939003432. The cubic root of 8198739995 is about 2016.4263838512.

The spelling of 8198739995 in words is "eight billion, one hundred ninety-eight million, seven hundred thirty-nine thousand, nine hundred ninety-five".