6423984255364 has 81 divisors (see below), whose sum is σ = 12356128683759. Its totient is φ = 2921027403840.

The previous prime is 6423984255349. The next prime is 6423984255373. The reversal of 6423984255364 is 4635524893246.

The square root of 6423984255364 is 2534558.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 514028773764 + 5909955481600 = 716958^2 + 2431040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4678793382 + ... + 4678794754.

Almost surely, 2^{6423984255364} is an apocalyptic number.

6423984255364 is the 2534558-th square number.

It is an amenable number.

6423984255364 is a deficient number, since it is larger than the sum of its proper divisors (5932144428395).

6423984255364 is an equidigital number, since it uses as much as digits as its factorization.

6423984255364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 1459 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 61.

The spelling of 6423984255364 in words is "six trillion, four hundred twenty-three billion, nine hundred eighty-four million, two hundred fifty-five thousand, three hundred sixty-four".