650988099 has 6 divisors (see below), whose sum is σ = 940316156. Its totient is φ = 433992060.

The previous prime is 650988073. The next prime is 650988109. The reversal of 650988099 is 990889056.

It is not a de Polignac number, because 650988099 - 2⁷ = 650987971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650988199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36165997 + ... + 36166014.

Almost surely, 2^650988099 is an apocalyptic number.

650988099 is a deficient number, since it is larger than the sum of its proper divisors (289328057).

650988099 is a wasteful number, since it uses less digits than its factorization.

650988099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72332017 (or 72332014 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 650988099 is about 25514.4684247977. The cubic root of 650988099 is about 866.6778215691.

The spelling of 650988099 in words is "six hundred fifty million, nine hundred eighty-eight thousand, ninety-nine".