91936356734495 has 144 divisors (see below), whose sum is σ = 147033758865600. Its totient is φ = 55129847415552.

The previous prime is 91936356734471. The next prime is 91936356734503. The reversal of 91936356734495 is 59443765363919.

It is not a de Polignac number, because 91936356734495 - 2¹² = 91936356730399 is a prime.

It is a super-2 number, since 2×91936356734495² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 104191097 + ... + 105069773.

It is an arithmetic number, because the mean of its divisors is an integer number (1021067769900).

Almost surely, 2^{91936356734495} is an apocalyptic number.

91936356734495 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91936356734495 is a deficient number, since it is larger than the sum of its proper divisors (55097402131105).

91936356734495 is a wasteful number, since it uses less digits than its factorization.

91936356734495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878767 (or 878721 counting only the distinct ones).

The product of its digits is 1984046400, while the sum is 74.

The spelling of 91936356734495 in words is "ninety-one trillion, nine hundred thirty-six billion, three hundred fifty-six million, seven hundred thirty-four thousand, four hundred ninety-five".