91446295401 has 12 divisors (see below), whose sum is σ = 137832097728. Its totient is φ = 58313579544.

The previous prime is 91446295387. The next prime is 91446295411. The reversal of 91446295401 is 10459264419.

91446295401 is a `hidden beast` number, since 9 + 1 + 44 + 62 + 9 + 540 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-91446295401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91446295411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220884565 + ... + 220884978.

It is an arithmetic number, because the mean of its divisors is an integer number (11486008144).

Almost surely, 2^91446295401 is an apocalyptic number.

It is an amenable number.

91446295401 is a deficient number, since it is larger than the sum of its proper divisors (46385802327).

91446295401 is a wasteful number, since it uses less digits than its factorization.

91446295401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441769572 (or 441769569 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 91446295401 in words is "ninety-one billion, four hundred forty-six million, two hundred ninety-five thousand, four hundred one".