91704996245 has 4 divisors (see below), whose sum is σ = 110045995500. Its totient is φ = 73363996992.

The previous prime is 91704996239. The next prime is 91704996263. The reversal of 91704996245 is 54269940719.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54269940719 = 31 ⋅1750643249.

It can be written as a sum of positive squares in 2 ways, for example, as 16808085316 + 74896910929 = 129646^2 + 273673^2 .

It is a cyclic number.

It is not a de Polignac number, because 91704996245 - 2³⁰ = 90631254421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9170499620 + ... + 9170499629.

It is an arithmetic number, because the mean of its divisors is an integer number (27511498875).

Almost surely, 2^91704996245 is an apocalyptic number.

It is an amenable number.

91704996245 is a deficient number, since it is larger than the sum of its proper divisors (18340999255).

91704996245 is a wasteful number, since it uses less digits than its factorization.

91704996245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18340999254.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 91704996245 in words is "ninety-one billion, seven hundred four million, nine hundred ninety-six thousand, two hundred forty-five".