91329629279615 has 16 divisors (see below), whose sum is σ = 116461277986752. Its totient is φ = 68517586374144.

The previous prime is 91329629279573. The next prime is 91329629279657. The reversal of 91329629279615 is 51697292692319.

It is an interprime number because it is at equal distance from previous prime (91329629279573) and next prime (91329629279657).

It is a cyclic number.

It is not a de Polignac number, because 91329629279615 - 2³⁸ = 91054751372671 is a prime.

It is a super-2 number, since 2×91329629279615² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939446179 + ... + 1939493268.

It is an arithmetic number, because the mean of its divisors is an integer number (7278829874172).

Almost surely, 2^{91329629279615} is an apocalyptic number.

91329629279615 is a deficient number, since it is larger than the sum of its proper divisors (25131648707137).

91329629279615 is a wasteful number, since it uses less digits than its factorization.

91329629279615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878939746.

The product of its digits is 198404640, while the sum is 71.

The spelling of 91329629279615 in words is "ninety-one trillion, three hundred twenty-nine billion, six hundred twenty-nine million, two hundred seventy-nine thousand, six hundred fifteen".