99373668309 has 24 divisors (see below), whose sum is σ = 143941604352. Its totient is φ = 66063846240.

The previous prime is 99373668307. The next prime is 99373668323. The reversal of 99373668309 is 90386637399.

It is not a de Polignac number, because 99373668309 - 2¹ = 99373668307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99373668307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6439687 + ... + 6455099.

It is an arithmetic number, because the mean of its divisors is an integer number (5997566848).

Almost surely, 2^99373668309 is an apocalyptic number.

It is an amenable number.

99373668309 is a deficient number, since it is larger than the sum of its proper divisors (44567936043).

99373668309 is a wasteful number, since it uses less digits than its factorization.

99373668309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17377 (or 17374 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 99373668309 in words is "ninety-nine billion, three hundred seventy-three million, six hundred sixty-eight thousand, three hundred nine".