91373933684 has 12 divisors (see below), whose sum is σ = 174441146208. Its totient is φ = 41533606200.

The previous prime is 91373933597. The next prime is 91373933699. The reversal of 91373933684 is 48633937319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038340112 + ... + 1038340199.

It is an arithmetic number, because the mean of its divisors is an integer number (14536762184).

Almost surely, 2^91373933684 is an apocalyptic number.

It is an amenable number.

91373933684 is a deficient number, since it is larger than the sum of its proper divisors (83067212524).

91373933684 is a wasteful number, since it uses less digits than its factorization.

91373933684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076680326 (or 2076680324 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 56.

The spelling of 91373933684 in words is "ninety-one billion, three hundred seventy-three million, nine hundred thirty-three thousand, six hundred eighty-four".