650069986 has 16 divisors (see below), whose sum is σ = 988727040. Its totient is φ = 320505120.

The previous prime is 650069941. The next prime is 650070011. The reversal of 650069986 is 689960056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145851 + ... + 150241.

It is an arithmetic number, because the mean of its divisors is an integer number (61795440).

Almost surely, 2^650069986 is an apocalyptic number.

650069986 is a deficient number, since it is larger than the sum of its proper divisors (338657054).

650069986 is a wasteful number, since it uses less digits than its factorization.

650069986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 650069986 is about 25496.4700694037. The cubic root of 650069986 is about 866.2701937688.

The spelling of 650069986 in words is "six hundred fifty million, sixty-nine thousand, nine hundred eighty-six".