91044454308 has 12 divisors (see below), whose sum is σ = 212437060080. Its totient is φ = 30348151432.

The previous prime is 91044454297. The next prime is 91044454321. The reversal of 91044454308 is 80345444019.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 91044454308.

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, 3793518918 + ... + 3793518941.

It is an arithmetic number, because the mean of its divisors is an integer number (17703088340).

Almost surely, 2^91044454308 is an apocalyptic number.

It is an amenable number.

91044454308 is an abundant number, since it is smaller than the sum of its proper divisors (121392605772).

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

91044454308 is a wasteful number, since it uses less digits than its factorization.

91044454308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587037866 (or 7587037864 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 91044454308 in words is "ninety-one billion, forty-four million, four hundred fifty-four thousand, three hundred eight".