6420463506304 has 32 divisors (see below), whose sum is σ = 12824163498240. Its totient is φ = 3201849922560.

The previous prime is 6420463506263. The next prime is 6420463506319. The reversal of 6420463506304 is 4036053640246.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 65433837 + ... + 65531884.

It is an arithmetic number, because the mean of its divisors is an integer number (400755109320).

Almost surely, 2^{6420463506304} is an apocalyptic number.

6420463506304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6420463506304 is a deficient number, since it is larger than the sum of its proper divisors (6403699991936).

6420463506304 is a wasteful number, since it uses less digits than its factorization.

6420463506304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130966118 (or 130966106 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 6420463506304 in words is "six trillion, four hundred twenty billion, four hundred sixty-three million, five hundred six thousand, three hundred four".