91473268504 has 8 divisors (see below), whose sum is σ = 171512378460. Its totient is φ = 45736634248.

The previous prime is 91473268457. The next prime is 91473268511. The reversal of 91473268504 is 40586237419.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a pancake number, because a pancake can be divided into 91473268504 parts by 427722 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717079274 + ... + 5717079289.

It is a 2-persistent number, because it is pandigital, and so is 2⋅91473268504 = 182946537008, but 3⋅91473268504 = 274419805512 is not.

Almost surely, 2^91473268504 is an apocalyptic number.

It is an amenable number.

91473268504 is a deficient number, since it is larger than the sum of its proper divisors (80039109956).

91473268504 is a wasteful number, since it uses less digits than its factorization.

91473268504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434158569 (or 11434158565 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 91473268504 in words is "ninety-one billion, four hundred seventy-three million, two hundred sixty-eight thousand, five hundred four".