650499371 has 4 divisors (see below), whose sum is σ = 684736200. Its totient is φ = 616262544.

The previous prime is 650499349. The next prime is 650499379. The reversal of 650499371 is 173994056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650499371 - 2¹⁸ = 650237227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650499379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17118386 + ... + 17118423.

It is an arithmetic number, because the mean of its divisors is an integer number (171184050).

Almost surely, 2^650499371 is an apocalyptic number.

650499371 is a deficient number, since it is larger than the sum of its proper divisors (34236829).

650499371 is a wasteful number, since it uses less digits than its factorization.

650499371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34236828.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 650499371 is about 25504.8891587476. The cubic root of 650499371 is about 866.4608817299.

The spelling of 650499371 in words is "six hundred fifty million, four hundred ninety-nine thousand, three hundred seventy-one".