6451135264 has 24 divisors (see below), whose sum is σ = 14515054848. Its totient is φ = 2764772160.

The previous prime is 6451135241. The next prime is 6451135321. The reversal of 6451135264 is 4625311546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14399632 + ... + 14400079.

It is an arithmetic number, because the mean of its divisors is an integer number (604793952).

Almost surely, 2^6451135264 is an apocalyptic number.

It is an amenable number.

6451135264 is an abundant number, since it is smaller than the sum of its proper divisors (8063919584).

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

6451135264 is a wasteful number, since it uses less digits than its factorization.

6451135264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799728 (or 28799720 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 6451135264 is about 80318.9595550142. The cubic root of 6451135264 is about 1861.5671903489.

The spelling of 6451135264 in words is "six billion, four hundred fifty-one million, one hundred thirty-five thousand, two hundred sixty-four".