99315456394 has 16 divisors (see below), whose sum is σ = 185732801856. Its totient is φ = 38694333600.

The previous prime is 99315456391. The next prime is 99315456397. The reversal of 99315456394 is 49365451399.

It is an interprime number because it is at equal distance from previous prime (99315456391) and next prime (99315456397).

It is not an unprimeable number, because it can be changed into a prime (99315456391) 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, 322452627 + ... + 322452934.

It is an arithmetic number, because the mean of its divisors is an integer number (11608300116).

Almost surely, 2^99315456394 is an apocalyptic number.

99315456394 is a deficient number, since it is larger than the sum of its proper divisors (86417345462).

99315456394 is a wasteful number, since it uses less digits than its factorization.

99315456394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644905581.

The product of its digits is 15746400, while the sum is 58.

The spelling of 99315456394 in words is "ninety-nine billion, three hundred fifteen million, four hundred fifty-six thousand, three hundred ninety-four".