2549626996 has 18 divisors (see below), whose sum is σ = 5190312498. Its totient is φ = 1092697200.

The previous prime is 2549626921. The next prime is 2549627009. The reversal of 2549626996 is 6996269452.

It can be written as a sum of positive squares in only one way, i.e., 2168206096 + 381420900 = 46564^2 + 19530^2 .

It is a super-3 number, since 3×2549626996³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2549626996.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6503955 + ... + 6504346.

Almost surely, 2^2549626996 is an apocalyptic number.

It is an amenable number.

2549626996 is an abundant number, since it is smaller than the sum of its proper divisors (2640685502).

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

2549626996 is a wasteful number, since it uses less digits than its factorization.

2549626996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008319 (or 13008310 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The square root of 2549626996 is about 50493.8312667993. The cubic root of 2549626996 is about 1366.1305908090.

The spelling of 2549626996 in words is "two billion, five hundred forty-nine million, six hundred twenty-six thousand, nine hundred ninety-six".