99190974994 has 16 divisors (see below), whose sum is σ = 155397686400. Its totient is φ = 47437184304.

The previous prime is 99190974983. The next prime is 99190974997. The reversal of 99190974994 is 49947909199.

It is not an unprimeable number, because it can be changed into a prime (99190974997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11355114 + ... + 11363845.

It is an arithmetic number, because the mean of its divisors is an integer number (9712355400).

Almost surely, 2^99190974994 is an apocalyptic number.

99190974994 is a deficient number, since it is larger than the sum of its proper divisors (56206711406).

99190974994 is a wasteful number, since it uses less digits than its factorization.

99190974994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22719057.

The product of its (nonzero) digits is 59521392, while the sum is 70.

The spelling of 99190974994 in words is "ninety-nine billion, one hundred ninety million, nine hundred seventy-four thousand, nine hundred ninety-four".