650764435912 has 32 divisors (see below), whose sum is σ = 1304033217120. Its totient is φ = 303380005120.

The previous prime is 650764435891. The next prime is 650764435913. The reversal of 650764435912 is 219534467056.

It is a self number, because there is not a number n which added to its sum of digits gives 650764435912.

It is not an unprimeable number, because it can be changed into a prime (650764435913) 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, 22345414 + ... + 22374517.

It is an arithmetic number, because the mean of its divisors is an integer number (40751038035).

Almost surely, 2^650764435912 is an apocalyptic number.

It is an amenable number.

650764435912 is an abundant number, since it is smaller than the sum of its proper divisors (653268781208).

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

650764435912 is a wasteful number, since it uses less digits than its factorization.

650764435912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44720061 (or 44720057 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 650764435912 in words is "six hundred fifty billion, seven hundred sixty-four million, four hundred thirty-five thousand, nine hundred twelve".