99930368321 has 4 divisors (see below), whose sum is σ = 114206135232. Its totient is φ = 85654601412.

The previous prime is 99930368261. The next prime is 99930368347. The reversal of 99930368321 is 12386303999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99930368321 - 2⁶ = 99930368257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99930368521) 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, 7137883445 + ... + 7137883458.

It is an arithmetic number, because the mean of its divisors is an integer number (28551533808).

Almost surely, 2^99930368321 is an apocalyptic number.

It is an amenable number.

99930368321 is a deficient number, since it is larger than the sum of its proper divisors (14275766911).

99930368321 is a wasteful number, since it uses less digits than its factorization.

99930368321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275766910.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 99930368321 in words is "ninety-nine billion, nine hundred thirty million, three hundred sixty-eight thousand, three hundred twenty-one".