91394546502 has 64 divisors (see below), whose sum is σ = 211209546240. Its totient is φ = 25825153536.

The previous prime is 91394546501. The next prime is 91394546519. The reversal of 91394546502 is 20564549319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91394546501) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2485918 + ... + 2522414.

It is an arithmetic number, because the mean of its divisors is an integer number (3300149160).

Almost surely, 2^91394546502 is an apocalyptic number.

91394546502 is an abundant number, since it is smaller than the sum of its proper divisors (119814999738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91394546502 is a wasteful number, since it uses less digits than its factorization.

91394546502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37165.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 91394546502 in words is "ninety-one billion, three hundred ninety-four million, five hundred forty-six thousand, five hundred two".