2549646570 has 32 divisors (see below), whose sum is σ = 6479103168. Its totient is φ = 639911168.

The previous prime is 2549646569. The next prime is 2549646571. The reversal of 2549646570 is 756469452.

It is an interprime number because it is at equal distance from previous prime (2549646569) and next prime (2549646571).

It is not an unprimeable number, because it can be changed into a prime (2549646571) 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 15 ways as a sum of consecutive naturals, for example, 2499144 + ... + 2500163.

It is an arithmetic number, because the mean of its divisors is an integer number (202471974).

Almost surely, 2^2549646570 is an apocalyptic number.

2549646570 is an abundant number, since it is smaller than the sum of its proper divisors (3929456598).

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

2549646570 is a wasteful number, since it uses less digits than its factorization.

2549646570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999334.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 2549646570 is about 50494.0250920839. The cubic root of 2549646570 is about 1366.1340868199.

The spelling of 2549646570 in words is "two billion, five hundred forty-nine million, six hundred forty-six thousand, five hundred seventy".