650764435916 has 48 divisors (see below), whose sum is σ = 1332222667776. Its totient is φ = 272348603904.

The previous prime is 650764435913. The next prime is 650764435931. The reversal of 650764435916 is 619534467056.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (650764435913) 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 in 15 ways as a sum of consecutive naturals, for example, 24860 + ... + 1141116.

It is an arithmetic number, because the mean of its divisors is an integer number (27754638912).

Almost surely, 2^650764435916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650764435916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666111333888).

650764435916 is an abundant number, since it is smaller than the sum of its proper divisors (681458231860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650764435916 is a wasteful number, since it uses less digits than its factorization.

650764435916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116758 (or 1116756 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 650764435916 in words is "six hundred fifty billion, seven hundred sixty-four million, four hundred thirty-five thousand, nine hundred sixteen".