2650499289 has 15 divisors (see below), whose sum is σ = 3857948965. Its totient is φ = 1753510980.

The previous prime is 2650499261. The next prime is 2650499321. The reversal of 2650499289 is 9829940562.

It is a happy number.

The square root of 2650499289 is 51483.

It is a perfect power (a square), and thus also a powerful number.

2650499289 is a `hidden beast` number, since 26 + 50 + 499 + 2 + 89 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2650499289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2650499209) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 20232754 + ... + 20232884.

Almost surely, 2^2650499289 is an apocalyptic number.

2650499289 is the 51483-rd square number.

2650499289 is the 25742-nd centered octagonal number.

It is an amenable number.

2650499289 is a deficient number, since it is larger than the sum of its proper divisors (1207449676).

2650499289 is an frugal number, since it uses more digits than its factorization.

2650499289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The cubic root of 2650499289 is about 1383.9144076020.

The spelling of 2650499289 in words is "two billion, six hundred fifty million, four hundred ninety-nine thousand, two hundred eighty-nine".