99319323615 has 16 divisors (see below), whose sum is σ = 159963311616. Its totient is φ = 52619508000.

The previous prime is 99319323611. The next prime is 99319323617. The reversal of 99319323615 is 51632391399.

It is not a de Polignac number, because 99319323615 - 2² = 99319323611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99319323611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21922531 + ... + 21927060.

It is an arithmetic number, because the mean of its divisors is an integer number (9997706976).

Almost surely, 2^99319323615 is an apocalyptic number.

99319323615 is a deficient number, since it is larger than the sum of its proper divisors (60643988001).

99319323615 is a wasteful number, since it uses less digits than its factorization.

99319323615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849750.

The product of its digits is 1180980, while the sum is 51.

The spelling of 99319323615 in words is "ninety-nine billion, three hundred nineteen million, three hundred twenty-three thousand, six hundred fifteen".