91842694275 has 12 divisors (see below), whose sum is σ = 151846587992. Its totient is φ = 48982770240.

The previous prime is 91842694271. The next prime is 91842694319. The reversal of 91842694275 is 57249624819.

It is not a de Polignac number, because 91842694275 - 2² = 91842694271 is a prime.

It is a super-2 number, since 2×91842694275² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91842694271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612284554 + ... + 612284703.

Almost surely, 2^91842694275 is an apocalyptic number.

91842694275 is a deficient number, since it is larger than the sum of its proper divisors (60003893717).

91842694275 is a wasteful number, since it uses less digits than its factorization.

91842694275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224569270 (or 1224569265 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 91842694275 in words is "ninety-one billion, eight hundred forty-two million, six hundred ninety-four thousand, two hundred seventy-five".