6397636370 has 16 divisors (see below), whose sum is σ = 11687623488. Its totient is φ = 2520859440.

The previous prime is 6397636327. The next prime is 6397636397. The reversal of 6397636370 is 736367936.

It is a super-2 number, since 2×6397636370² = 81859502245493553800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4773686 + ... + 4775025.

It is an arithmetic number, because the mean of its divisors is an integer number (730476468).

Almost surely, 2^6397636370 is an apocalyptic number.

6397636370 is a deficient number, since it is larger than the sum of its proper divisors (5289987118).

6397636370 is a wasteful number, since it uses less digits than its factorization.

6397636370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548785.

The product of its (nonzero) digits is 2571912, while the sum is 50.

The square root of 6397636370 is about 79985.2259482962. The cubic root of 6397636370 is about 1856.4069428308.

The spelling of 6397636370 in words is "six billion, three hundred ninety-seven million, six hundred thirty-six thousand, three hundred seventy".