91632527013 has 4 divisors (see below), whose sum is σ = 122176702688. Its totient is φ = 61088351340.

The previous prime is 91632527011. The next prime is 91632527023. The reversal of 91632527013 is 31072523619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 91632527013 - 2¹ = 91632527011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91632527011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15272087833 + ... + 15272087838.

It is an arithmetic number, because the mean of its divisors is an integer number (30544175672).

Almost surely, 2^91632527013 is an apocalyptic number.

It is an amenable number.

91632527013 is a deficient number, since it is larger than the sum of its proper divisors (30544175675).

91632527013 is a wasteful number, since it uses less digits than its factorization.

91632527013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30544175674.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 91632527013 in words is "ninety-one billion, six hundred thirty-two million, five hundred twenty-seven thousand, thirteen".