2549798824 has 8 divisors (see below), whose sum is σ = 4780872810. Its totient is φ = 1274899408.

The previous prime is 2549798809. The next prime is 2549798827. The reversal of 2549798824 is 4288979452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1395022500 + 1154776324 = 37350^2 + 33982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2549798827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159362419 + ... + 159362434.

Almost surely, 2^2549798824 is an apocalyptic number.

It is an amenable number.

2549798824 is a deficient number, since it is larger than the sum of its proper divisors (2231073986).

2549798824 is a wasteful number, since it uses less digits than its factorization.

2549798824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318724859 (or 318724855 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 2549798824 is about 50495.5327133005. The cubic root of 2549798824 is about 1366.1612795090.

The spelling of 2549798824 in words is "two billion, five hundred forty-nine million, seven hundred ninety-eight thousand, eight hundred twenty-four".