650559970 has 16 divisors (see below), whose sum is σ = 1174072320. Its totient is φ = 259543024.

The previous prime is 650559953. The next prime is 650559971. The reversal of 650559970 is 79955056.

It is a self number, because there is not a number n which added to its sum of digits gives 650559970.

It is not an unprimeable number, because it can be changed into a prime (650559971) 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, 81100 + ... + 88759.

It is an arithmetic number, because the mean of its divisors is an integer number (73379520).

Almost surely, 2^650559970 is an apocalyptic number.

650559970 is a deficient number, since it is larger than the sum of its proper divisors (523512350).

650559970 is a wasteful number, since it uses less digits than its factorization.

650559970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170249.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 650559970 is about 25506.0771189926. The cubic root of 650559970 is about 866.4877867175.

The spelling of 650559970 in words is "six hundred fifty million, five hundred fifty-nine thousand, nine hundred seventy".