93918292091 has 24 divisors (see below), whose sum is σ = 106145012736. Its totient is φ = 82983164160.

The previous prime is 93918292087. The next prime is 93918292093. The reversal of 93918292091 is 19029281939.

It is not a de Polignac number, because 93918292091 - 2² = 93918292087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93918292093) 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, 239366 + ... + 495108.

It is an arithmetic number, because the mean of its divisors is an integer number (4422708864).

Almost surely, 2^93918292091 is an apocalyptic number.

93918292091 is a deficient number, since it is larger than the sum of its proper divisors (12226720645).

93918292091 is a wasteful number, since it uses less digits than its factorization.

93918292091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255863 (or 255850 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 93918292091 in words is "ninety-three billion, nine hundred eighteen million, two hundred ninety-two thousand, ninety-one".