6426605872 has 10 divisors (see below), whose sum is σ = 12451548908. Its totient is φ = 3213302928.

The previous prime is 6426605851. The next prime is 6426605879. The reversal of 6426605872 is 2785066246.

It is not an unprimeable number, because it can be changed into a prime (6426605879) by changing a digit.

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, 200831418 + ... + 200831449.

Almost surely, 2^6426605872 is an apocalyptic number.

It is an amenable number.

6426605872 is a deficient number, since it is larger than the sum of its proper divisors (6024943036).

6426605872 is a wasteful number, since it uses less digits than its factorization.

6426605872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401662875 (or 401662869 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 6426605872 is about 80166.1142378748. The cubic root of 6426605872 is about 1859.2047581278.

The spelling of 6426605872 in words is "six billion, four hundred twenty-six million, six hundred five thousand, eight hundred seventy-two".