6426118372 has 6 divisors (see below), whose sum is σ = 11245707158. Its totient is φ = 3213059184.

The previous prime is 6426118351. The next prime is 6426118411. The reversal of 6426118372 is 2738116246.

It can be written as a sum of positive squares in only one way, i.e., 5382569956 + 1043548416 = 73366^2 + 32304^2 .

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 as a sum of consecutive naturals, namely, 803264793 + ... + 803264800.

Almost surely, 2^6426118372 is an apocalyptic number.

It is an amenable number.

6426118372 is a deficient number, since it is larger than the sum of its proper divisors (4819588786).

6426118372 is a wasteful number, since it uses less digits than its factorization.

6426118372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606529597 (or 1606529595 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 6426118372 is about 80163.0736187180. The cubic root of 6426118372 is about 1859.1577460006.

The spelling of 6426118372 in words is "six billion, four hundred twenty-six million, one hundred eighteen thousand, three hundred seventy-two".