2616648259 has 4 divisors (see below), whose sum is σ = 2630206216. Its totient is φ = 2603090304.

The previous prime is 2616648233. The next prime is 2616648269. The reversal of 2616648259 is 9528466162.

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 2616648259 - 2²⁵ = 2583093827 is a prime.

It is a super-2 number, since 2×2616648259² = 13693696222655462162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2616648269) 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, 6778689 + ... + 6779074.

It is an arithmetic number, because the mean of its divisors is an integer number (657551554).

Almost surely, 2^2616648259 is an apocalyptic number.

2616648259 is a deficient number, since it is larger than the sum of its proper divisors (13557957).

2616648259 is a wasteful number, since it uses less digits than its factorization.

2616648259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557956.

The product of its digits is 1244160, while the sum is 49.

The square root of 2616648259 is about 51153.1842508362. The cubic root of 2616648259 is about 1377.9975611948.

The spelling of 2616648259 in words is "two billion, six hundred sixteen million, six hundred forty-eight thousand, two hundred fifty-nine".