6399674496 has 96 divisors (see below), whose sum is σ = 18637884720. Its totient is φ = 2107491840.

The previous prime is 6399674483. The next prime is 6399674509. The reversal of 6399674496 is 6944769936.

It is an interprime number because it is at equal distance from previous prime (6399674483) and next prime (6399674509).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62151 + ... + 129081.

Almost surely, 2^6399674496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6399674496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9318942360).

6399674496 is an abundant number, since it is smaller than the sum of its proper divisors (12238210224).

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

6399674496 is a wasteful number, since it uses less digits than its factorization.

6399674496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67034 (or 67019 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 63.

The square root of 6399674496 is about 79997.9655741319. The cubic root of 6399674496 is about 1856.6040567504.

The spelling of 6399674496 in words is "six billion, three hundred ninety-nine million, six hundred seventy-four thousand, four hundred ninety-six".