650443331650 has 48 divisors (see below), whose sum is σ = 1463989441536. Its totient is φ = 209890955520.

The previous prime is 650443331639. The next prime is 650443331669. The reversal of 650443331650 is 56133344056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54653154 + ... + 54665053.

It is an arithmetic number, because the mean of its divisors is an integer number (30499780032).

Almost surely, 2^650443331650 is an apocalyptic number.

650443331650 is an abundant number, since it is smaller than the sum of its proper divisors (813546109886).

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

650443331650 is a wasteful number, since it uses less digits than its factorization.

650443331650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109318243 (or 109318238 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 650443331650 in words is "six hundred fifty billion, four hundred forty-three million, three hundred thirty-one thousand, six hundred fifty".