2549641068 has 36 divisors (see below), whose sum is σ = 6940690848. Its totient is φ = 784504800.

The previous prime is 2549641067. The next prime is 2549641093. The reversal of 2549641068 is 8601469452.

2549641068 is a `hidden beast` number, since 2 + 549 + 6 + 41 + 0 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2549641067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2723508 + ... + 2724443.

It is an arithmetic number, because the mean of its divisors is an integer number (192796968).

Almost surely, 2^2549641068 is an apocalyptic number.

It is an amenable number.

2549641068 is an abundant number, since it is smaller than the sum of its proper divisors (4391049780).

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

2549641068 is a wasteful number, since it uses less digits than its factorization.

2549641068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447974 (or 5447969 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2549641068 is about 50493.9706103610. The cubic root of 2549641068 is about 1366.1331041380.

It can be divided in two parts, 25496 and 41068, that added together give a square (66564 = 258²).

The spelling of 2549641068 in words is "two billion, five hundred forty-nine million, six hundred forty-one thousand, sixty-eight".