650936613 has 16 divisors (see below), whose sum is σ = 927110016. Its totient is φ = 404812800.

The previous prime is 650936609. The next prime is 650936621. The reversal of 650936613 is 316639056.

It is not a de Polignac number, because 650936613 - 2² = 650936609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650936653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50713 + ... + 62238.

It is an arithmetic number, because the mean of its divisors is an integer number (57944376).

Almost surely, 2^650936613 is an apocalyptic number.

It is an amenable number.

650936613 is a deficient number, since it is larger than the sum of its proper divisors (276173403).

650936613 is a wasteful number, since it uses less digits than its factorization.

650936613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113084.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 650936613 is about 25513.4594479071. The cubic root of 650936613 is about 866.6549727383.

The spelling of 650936613 in words is "six hundred fifty million, nine hundred thirty-six thousand, six hundred thirteen".