6739264128 has 64 divisors (see below), whose sum is σ = 18843357600. Its totient is φ = 2128186368.

The previous prime is 6739264111. The next prime is 6739264157. The reversal of 6739264128 is 8214629376.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 454551 + ... + 469142.

Almost surely, 2^6739264128 is an apocalyptic number.

It is an amenable number.

6739264128 is an abundant number, since it is smaller than the sum of its proper divisors (12104093472).

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

6739264128 is a wasteful number, since it uses less digits than its factorization.

6739264128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923729 (or 923717 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 6739264128 is about 82093.0211893800. The cubic root of 6739264128 is about 1888.8790912361.

The spelling of 6739264128 in words is "six billion, seven hundred thirty-nine million, two hundred sixty-four thousand, one hundred twenty-eight".