6397625412 has 36 divisors (see below), whose sum is σ = 16174377856. Its totient is φ = 2132198640.

The previous prime is 6397625401. The next prime is 6397625461. The reversal of 6397625412 is 2145267936.

6397625412 is a `hidden beast` number, since 6 + 3 + 9 + 7 + 625 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6397625412² = 81859221824536339488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318837 + ... + 338307.

Almost surely, 2^6397625412 is an apocalyptic number.

It is an amenable number.

6397625412 is an abundant number, since it is smaller than the sum of its proper divisors (9776752444).

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

6397625412 is a wasteful number, since it uses less digits than its factorization.

6397625412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608 (or 28603 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 6397625412 is about 79985.1574481166. The cubic root of 6397625412 is about 1856.4058829332.

The spelling of 6397625412 in words is "six billion, three hundred ninety-seven million, six hundred twenty-five thousand, four hundred twelve".