6425715344256 has 192 divisors, whose sum is σ = 20210236584720. Its totient is φ = 1947633278976.

The previous prime is 6425715344201. The next prime is 6425715344281. The reversal of 6425715344256 is 6524435175246.

It is a happy number.

6425715344256 is a `hidden beast` number, since 6 + 4 + 2 + 57 + 1 + 534 + 4 + 2 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2198605 + ... + 4205388.

Almost surely, 2^{6425715344256} is an apocalyptic number.

It is an amenable number.

6425715344256 is an abundant number, since it is smaller than the sum of its proper divisors (13784521240464).

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

6425715344256 is a wasteful number, since it uses less digits than its factorization.

6425715344256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404093 (or 6404078 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 6425715344256 in words is "six trillion, four hundred twenty-five billion, seven hundred fifteen million, three hundred forty-four thousand, two hundred fifty-six".