2549794856 has 32 divisors (see below), whose sum is σ = 5494392000. Its totient is φ = 1086660096.

The previous prime is 2549794823. The next prime is 2549794883. The reversal of 2549794856 is 6584979452.

It is a happy number.

2549794856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2549794795 and 2549794804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117161 + ... + 137208.

It is an arithmetic number, because the mean of its divisors is an integer number (171699750).

Almost surely, 2^2549794856 is an apocalyptic number.

It is an amenable number.

2549794856 is an abundant number, since it is smaller than the sum of its proper divisors (2944597144).

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

2549794856 is a wasteful number, since it uses less digits than its factorization.

2549794856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254561 (or 254557 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The square root of 2549794856 is about 50495.4934226808. The cubic root of 2549794856 is about 1366.1605708347.

The spelling of 2549794856 in words is "two billion, five hundred forty-nine million, seven hundred ninety-four thousand, eight hundred fifty-six".