6442642970 has 16 divisors (see below), whose sum is σ = 11843497728. Its totient is φ = 2522226000.

The previous prime is 6442642963. The next prime is 6442642979. The reversal of 6442642970 is 792462446.

It is not an unprimeable number, because it can be changed into a prime (6442642979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6853406 + ... + 6854345.

It is an arithmetic number, because the mean of its divisors is an integer number (740218608).

Almost surely, 2^6442642970 is an apocalyptic number.

6442642970 is a deficient number, since it is larger than the sum of its proper divisors (5400854758).

6442642970 is a wasteful number, since it uses less digits than its factorization.

6442642970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707805.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 6442642970 is about 80266.0760844829. The cubic root of 6442642970 is about 1860.7499740861.

The spelling of 6442642970 in words is "six billion, four hundred forty-two million, six hundred forty-two thousand, nine hundred seventy".