91392331717471 has 32 divisors (see below), whose sum is σ = 95397505280000. Its totient is φ = 87491261265408.

The previous prime is 91392331717417. The next prime is 91392331717501. The reversal of 91392331717471 is 17471713329319.

It is a cyclic number.

It is not a de Polignac number, because 91392331717471 - 2³⁵ = 91357971979103 is a prime.

It is a super-3 number, since 3×91392331717471³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91392331727471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292553185 + ... + 292865413.

It is an arithmetic number, because the mean of its divisors is an integer number (2981172040000).

Almost surely, 2^{91392331717471} is an apocalyptic number.

91392331717471 is a deficient number, since it is larger than the sum of its proper divisors (4005173562529).

91392331717471 is a wasteful number, since it uses less digits than its factorization.

91392331717471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312983.

The product of its digits is 6001128, while the sum is 58.

The spelling of 91392331717471 in words is "ninety-one trillion, three hundred ninety-two billion, three hundred thirty-one million, seven hundred seventeen thousand, four hundred seventy-one".