6413794638 has 16 divisors (see below), whose sum is σ = 12859905360. Its totient is φ = 2132545536.

The previous prime is 6413794619. The next prime is 6413794643. The reversal of 6413794638 is 8364973146.

It is a super-2 number, since 2×6413794638² = 82273523316875102088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343923 + ... + 1348686.

It is an arithmetic number, because the mean of its divisors is an integer number (803744085).

Almost surely, 2^6413794638 is an apocalyptic number.

6413794638 is an abundant number, since it is smaller than the sum of its proper divisors (6446110722).

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

6413794638 is a wasteful number, since it uses less digits than its factorization.

6413794638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693011.

The product of its digits is 2612736, while the sum is 51.

The square root of 6413794638 is about 80086.1700794838. The cubic root of 6413794638 is about 1857.9685144810.

The spelling of 6413794638 in words is "six billion, four hundred thirteen million, seven hundred ninety-four thousand, six hundred thirty-eight".