91190972482 has 8 divisors (see below), whose sum is σ = 136789503552. Its totient is φ = 45594471300.

The previous prime is 91190972357. The next prime is 91190972491. The reversal of 91190972482 is 28427909119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389694 + ... + 578137.

It is an arithmetic number, because the mean of its divisors is an integer number (17098687944).

Almost surely, 2^91190972482 is an apocalyptic number.

91190972482 is a deficient number, since it is larger than the sum of its proper divisors (45598531070).

91190972482 is a wasteful number, since it uses less digits than its factorization.

91190972482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014944.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 91190972482 in words is "ninety-one billion, one hundred ninety million, nine hundred seventy-two thousand, four hundred eighty-two".