6392994336 has 60 divisors (see below), whose sum is σ = 18801626382. Its totient is φ = 2130997248.

The previous prime is 6392994299. The next prime is 6392994367. The reversal of 6392994336 is 6334992936.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6392961936 + 32400 = 79956^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1230625 + ... + 1235808.

Almost surely, 2^6392994336 is an apocalyptic number.

It is an amenable number.

6392994336 is an abundant number, since it is smaller than the sum of its proper divisors (12408632046).

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

6392994336 is a wasteful number, since it uses less digits than its factorization.

6392994336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466455 (or 2466438 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 54.

The square root of 6392994336 is about 79956.2026111796. The cubic root of 6392994336 is about 1855.9578400302.

The spelling of 6392994336 in words is "six billion, three hundred ninety-two million, nine hundred ninety-four thousand, three hundred thirty-six".