91306100425 has 24 divisors (see below), whose sum is σ = 113596247232. Its totient is φ = 72802248000.

The previous prime is 91306100393. The next prime is 91306100441. The reversal of 91306100425 is 52400160319.

It is not a de Polignac number, because 91306100425 - 2⁵ = 91306100393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10982020 + ... + 10990330.

It is an arithmetic number, because the mean of its divisors is an integer number (4733176968).

Almost surely, 2^91306100425 is an apocalyptic number.

It is an amenable number.

91306100425 is a deficient number, since it is larger than the sum of its proper divisors (22290146807).

91306100425 is a wasteful number, since it uses less digits than its factorization.

91306100425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9724 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 91306100425 in words is "ninety-one billion, three hundred six million, one hundred thousand, four hundred twenty-five".