99674698369 has 9 divisors (see below), whose sum is σ = 100033688289. Its totient is φ = 99316995540.

The previous prime is 99674698339. The next prime is 99674698427. The reversal of 99674698369 is 96389647699.

The square root of 99674698369 is 315713.

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

It is not a de Polignac number, because 99674698369 - 2⁵ = 99674698337 is a prime.

It is a super-2 number, since 2×99674698369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

Its product of digits (952342272) is a multiple of the sum of its prime divisors (1134).

It is a junction number, because it is equal to n+sod(n) for n = 99674698295 and 99674698304.

It is not an unprimeable number, because it can be changed into a prime (99674698339) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 155014762 + ... + 155015404.

Almost surely, 2^99674698369 is an apocalyptic number.

99674698369 is the 315713-rd square number.

99674698369 is the 157857-th centered octagonal number.

It is an amenable number.

99674698369 is a deficient number, since it is larger than the sum of its proper divisors (358989920).

99674698369 is an frugal number, since it uses more digits than its factorization.

99674698369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 1134 counting only the distinct ones).

The product of its digits is 952342272, while the sum is 76.

The spelling of 99674698369 in words is "ninety-nine billion, six hundred seventy-four million, six hundred ninety-eight thousand, three hundred sixty-nine".