2553988369 has 9 divisors (see below), whose sum is σ = 2585552241. Its totient is φ = 2522807040.

The previous prime is 2553988361. The next prime is 2553988403. The reversal of 2553988369 is 9638893552.

The square root of 2553988369 is 50537.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 183467025 + 2370521344 = 13545^2 + 48688^2 .

It is not a de Polignac number, because 2553988369 - 2³ = 2553988361 is a prime.

It is a super-2 number, since 2×2553988369² = 13045713177974560322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553988361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4901829 + ... + 4902349.

Almost surely, 2^2553988369 is an apocalyptic number.

2553988369 is the 50537-th square number.

2553988369 is the 25269-th centered octagonal number.

It is an amenable number.

2553988369 is a deficient number, since it is larger than the sum of its proper divisors (31563872).

2553988369 is an frugal number, since it uses more digits than its factorization.

2553988369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 618 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 58.

The cubic root of 2553988369 is about 1366.9091113473.

The spelling of 2553988369 in words is "two billion, five hundred fifty-three million, nine hundred eighty-eight thousand, three hundred sixty-nine".