671413910481 has 24 divisors (see below), whose sum is σ = 971641351200. Its totient is φ = 446769392256.

The previous prime is 671413910477. The next prime is 671413910491. The reversal of 671413910481 is 184019314176.

671413910481 is a `hidden beast` number, since 6 + 71 + 4 + 13 + 91 + 0 + 481 = 666.

It is not a de Polignac number, because 671413910481 - 2² = 671413910477 is a prime.

It is a super-2 number, since 2×671413910481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671413910491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12006121 + ... + 12061913.

It is an arithmetic number, because the mean of its divisors is an integer number (40485056300).

Almost surely, 2^671413910481 is an apocalyptic number.

It is an amenable number.

671413910481 is a deficient number, since it is larger than the sum of its proper divisors (300227440719).

671413910481 is a wasteful number, since it uses less digits than its factorization.

671413910481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58285 (or 58282 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 671413910481 in words is "six hundred seventy-one billion, four hundred thirteen million, nine hundred ten thousand, four hundred eighty-one".