91532745498 has 16 divisors (see below), whose sum is σ = 185573238336. Its totient is φ = 30092957280.

The previous prime is 91532745463. The next prime is 91532745503. The reversal of 91532745498 is 89454723519.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104488998 + ... + 104489873.

It is an arithmetic number, because the mean of its divisors is an integer number (11598327396).

Almost surely, 2^91532745498 is an apocalyptic number.

91532745498 is an abundant number, since it is smaller than the sum of its proper divisors (94040492838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91532745498 is a wasteful number, since it uses less digits than its factorization.

91532745498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208978949.

The product of its digits is 10886400, while the sum is 57.

The spelling of 91532745498 in words is "ninety-one billion, five hundred thirty-two million, seven hundred forty-five thousand, four hundred ninety-eight".