91940655934 has 16 divisors (see below), whose sum is σ = 143234950320. Its totient is φ = 44208304000.

The previous prime is 91940655931. The next prime is 91940655959. The reversal of 91940655934 is 43955604919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91940655931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143179 + ... + 3172294.

It is an arithmetic number, because the mean of its divisors is an integer number (8952184395).

Almost surely, 2^91940655934 is an apocalyptic number.

91940655934 is a deficient number, since it is larger than the sum of its proper divisors (51294294386).

91940655934 is a wasteful number, since it uses less digits than its factorization.

91940655934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315755.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 91940655934 in words is "ninety-one billion, nine hundred forty million, six hundred fifty-five thousand, nine hundred thirty-four".