6455493580971 has 32 divisors (see below), whose sum is σ = 8840130824448. Its totient is φ = 4188015699840.

The previous prime is 6455493580967. The next prime is 6455493581039. The reversal of 6455493580971 is 1790853945546.

It is not a de Polignac number, because 6455493580971 - 2² = 6455493580967 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6455493580951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76059460 + ... + 76144286.

It is an arithmetic number, because the mean of its divisors is an integer number (276254088264).

Almost surely, 2^{6455493580971} is an apocalyptic number.

6455493580971 is a deficient number, since it is larger than the sum of its proper divisors (2384637243477).

6455493580971 is a wasteful number, since it uses less digits than its factorization.

6455493580971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87051.

The product of its (nonzero) digits is 163296000, while the sum is 66.

The spelling of 6455493580971 in words is "six trillion, four hundred fifty-five billion, four hundred ninety-three million, five hundred eighty thousand, nine hundred seventy-one".