650680092 has 18 divisors (see below), whose sum is σ = 1644774768. Its totient is φ = 216893352.

The previous prime is 650680087. The next prime is 650680123. The reversal of 650680092 is 290086056.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18074447 = 650680092 / (6 + 5 + 0 + 6 + 8 + 0 + 0 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9037188 + ... + 9037259.

It is an arithmetic number, because the mean of its divisors is an integer number (91376376).

Almost surely, 2^650680092 is an apocalyptic number.

It is an amenable number.

650680092 is an abundant number, since it is smaller than the sum of its proper divisors (994094676).

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

650680092 is a wasteful number, since it uses less digits than its factorization.

650680092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18074457 (or 18074452 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 650680092 is about 25508.4317824519. The cubic root of 650680092 is about 866.5411140279.

The spelling of 650680092 in words is "six hundred fifty million, six hundred eighty thousand, ninety-two".