6390512192 has 28 divisors (see below), whose sum is σ = 12685646460. Its totient is φ = 3194128896.

The previous prime is 6390512179. The next prime is 6390512201. The reversal of 6390512192 is 2912150936.

It can be written as a sum of positive squares in 2 ways, for example, as 476286976 + 5914225216 = 21824^2 + 76904^2 .

It is a super-2 number, since 2×6390512192² = 81677292152201289728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182918 + ... + 215034.

Almost surely, 2^6390512192 is an apocalyptic number.

It is an amenable number.

6390512192 is a deficient number, since it is larger than the sum of its proper divisors (6295134268).

6390512192 is a wasteful number, since it uses less digits than its factorization.

6390512192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35238 (or 35228 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 6390512192 is about 79940.6792065216. The cubic root of 6390512192 is about 1855.7176108716.

The spelling of 6390512192 in words is "six billion, three hundred ninety million, five hundred twelve thousand, one hundred ninety-two".