6401733564 has 24 divisors (see below), whose sum is σ = 14940995328. Its totient is φ = 2133394480.

The previous prime is 6401733509. The next prime is 6401733587. The reversal of 6401733564 is 4653371046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11202 + ... + 113705.

It is an arithmetic number, because the mean of its divisors is an integer number (622541472).

Almost surely, 2^6401733564 is an apocalyptic number.

It is an amenable number.

6401733564 is an abundant number, since it is smaller than the sum of its proper divisors (8539261764).

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

6401733564 is a wasteful number, since it uses less digits than its factorization.

6401733564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129185 (or 129183 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 6401733564 is about 80010.8340413972. The cubic root of 6401733564 is about 1856.8031535472.

The spelling of 6401733564 in words is "six billion, four hundred one million, seven hundred thirty-three thousand, five hundred sixty-four".