671813004633 has 32 divisors (see below), whose sum is σ = 967786963200. Its totient is φ = 413262237696.

The previous prime is 671813004601. The next prime is 671813004637. The reversal of 671813004633 is 336400318176.

It is a happy number.

It is not a de Polignac number, because 671813004633 - 2⁵ = 671813004601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671813004637) 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, 2110441 + ... + 2407817.

It is an arithmetic number, because the mean of its divisors is an integer number (30243342600).

Almost surely, 2^671813004633 is an apocalyptic number.

It is an amenable number.

671813004633 is a deficient number, since it is larger than the sum of its proper divisors (295973958567).

671813004633 is a wasteful number, since it uses less digits than its factorization.

671813004633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298561.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 671813004633 in words is "six hundred seventy-one billion, eight hundred thirteen million, four thousand, six hundred thirty-three".