91842593425 has 12 divisors (see below), whose sum is σ = 124237981296. Its totient is φ = 66794613200.

The previous prime is 91842593419. The next prime is 91842593431. The reversal of 91842593425 is 52439524819.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91842593419) and next prime (91842593431).

It is not a de Polignac number, because 91842593425 - 2⁹ = 91842592913 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 166986259 + ... + 166986808.

It is an arithmetic number, because the mean of its divisors is an integer number (10353165108).

Almost surely, 2^91842593425 is an apocalyptic number.

It is an amenable number.

91842593425 is a deficient number, since it is larger than the sum of its proper divisors (32395387871).

91842593425 is a wasteful number, since it uses less digits than its factorization.

91842593425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333973088 (or 333973083 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The spelling of 91842593425 in words is "ninety-one billion, eight hundred forty-two million, five hundred ninety-three thousand, four hundred twenty-five".