6430604015856 has 80 divisors (see below), whose sum is σ = 17274278259360. Its totient is φ = 2058896179200.

The previous prime is 6430604015839. The next prime is 6430604015909. The reversal of 6430604015856 is 6585104060346.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11699445 + ... + 12236756.

It is an arithmetic number, because the mean of its divisors is an integer number (215928478242).

Almost surely, 2^{6430604015856} is an apocalyptic number.

It is an amenable number.

6430604015856 is an abundant number, since it is smaller than the sum of its proper divisors (10843674243504).

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

6430604015856 is a wasteful number, since it uses less digits than its factorization.

6430604015856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23936434 (or 23936428 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 6430604015856 in words is "six trillion, four hundred thirty billion, six hundred four million, fifteen thousand, eight hundred fifty-six".