650990011904 has 40 divisors (see below), whose sum is σ = 1377220845528. Its totient is φ = 306348236800.

The previous prime is 650990011883. The next prime is 650990011937. The reversal of 650990011904 is 409110099056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37387322 + ... + 37404729.

Almost surely, 2^650990011904 is an apocalyptic number.

650990011904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

650990011904 is an abundant number, since it is smaller than the sum of its proper divisors (726230833624).

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

650990011904 is an equidigital number, since it uses as much as digits as its factorization.

650990011904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74792086 (or 74792070 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 650990011904 in words is "six hundred fifty billion, nine hundred ninety million, eleven thousand, nine hundred four".