91393754596 has 9 divisors (see below), whose sum is σ = 159940128649. Its totient is φ = 45696574984.

The previous prime is 91393754581. The next prime is 91393754629. The reversal of 91393754596 is 69545739319.

The square root of 91393754596 is 302314.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20710088100 + 70683666496 = 143910^2 + 265864^2 .

It is a super-2 number, since 2×91393754596² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 529050 + ... + 680206.

Almost surely, 2^91393754596 is an apocalyptic number.

91393754596 is the 302314-th square number.

It is an amenable number.

91393754596 is a deficient number, since it is larger than the sum of its proper divisors (68546374053).

91393754596 is an frugal number, since it uses more digits than its factorization.

91393754596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302318 (or 151159 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 61.

The spelling of 91393754596 in words is "ninety-one billion, three hundred ninety-three million, seven hundred fifty-four thousand, five hundred ninety-six".