6396838475 has 12 divisors (see below), whose sum is σ = 7934035344. Its totient is φ = 5116209120.

The previous prime is 6396838463. The next prime is 6396838501. The reversal of 6396838475 is 5748386936.

It is not a de Polignac number, because 6396838475 - 2⁶ = 6396838411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79562 + ... + 138288.

It is an arithmetic number, because the mean of its divisors is an integer number (661169612).

Almost surely, 2^6396838475 is an apocalyptic number.

6396838475 is a deficient number, since it is larger than the sum of its proper divisors (1537196869).

6396838475 is a wasteful number, since it uses less digits than its factorization.

6396838475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63094 (or 63089 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The square root of 6396838475 is about 79980.2380279029. The cubic root of 6396838475 is about 1856.3297643588.

The spelling of 6396838475 in words is "six billion, three hundred ninety-six million, eight hundred thirty-eight thousand, four hundred seventy-five".