2549658264 has 16 divisors (see below), whose sum is σ = 6374145720. Its totient is φ = 849886080.

The previous prime is 2549658253. The next prime is 2549658269. The reversal of 2549658264 is 4628569452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549658269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53117857 + ... + 53117904.

Almost surely, 2^2549658264 is an apocalyptic number.

2549658264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2549658264 is an abundant number, since it is smaller than the sum of its proper divisors (3824487456).

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

2549658264 is a wasteful number, since it uses less digits than its factorization.

2549658264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106235770 (or 106235766 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 2549658264 is about 50494.1408878297. The cubic root of 2549658264 is about 1366.1361754163.

The spelling of 2549658264 in words is "two billion, five hundred forty-nine million, six hundred fifty-eight thousand, two hundred sixty-four".