2549496659 has 4 divisors (see below), whose sum is σ = 2562308400. Its totient is φ = 2536684920.

The previous prime is 2549496629. The next prime is 2549496667. The reversal of 2549496659 is 9566949452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549496659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2549496598 and 2549496607.

It is not an unprimeable number, because it can be changed into a prime (2549496629) 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, 6405572 + ... + 6405969.

It is an arithmetic number, because the mean of its divisors is an integer number (640577100).

Almost surely, 2^2549496659 is an apocalyptic number.

2549496659 is a deficient number, since it is larger than the sum of its proper divisors (12811741).

2549496659 is a wasteful number, since it uses less digits than its factorization.

2549496659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811740.

The product of its digits is 20995200, while the sum is 59.

The square root of 2549496659 is about 50492.5406273045. The cubic root of 2549496659 is about 1366.1073115349.

The spelling of 2549496659 in words is "two billion, five hundred forty-nine million, four hundred ninety-six thousand, six hundred fifty-nine".