2549686316 has 18 divisors (see below), whose sum is σ = 4739860188. Its totient is φ = 1199851840.

The previous prime is 2549686301. The next prime is 2549686327. The reversal of 2549686316 is 6136869452.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101650 + ... + 1103961.

It is an arithmetic number, because the mean of its divisors is an integer number (263325566).

Almost surely, 2^2549686316 is an apocalyptic number.

It is an amenable number.

2549686316 is a deficient number, since it is larger than the sum of its proper divisors (2190173872).

2549686316 is a wasteful number, since it uses less digits than its factorization.

2549686316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205649 (or 2205630 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 2549686316 is about 50494.4186618680. The cubic root of 2549686316 is about 1366.1411855925.

The spelling of 2549686316 in words is "two billion, five hundred forty-nine million, six hundred eighty-six thousand, three hundred sixteen".