2553843289 has 4 divisors (see below), whose sum is σ = 2554902324. Its totient is φ = 2552784256.

The previous prime is 2553843283. The next prime is 2553843293. The reversal of 2553843289 is 9823483552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1148193225 + 1405650064 = 33885^2 + 37492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553843289 - 2²⁵ = 2520288857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553843283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525892 + ... + 530725.

It is an arithmetic number, because the mean of its divisors is an integer number (638725581).

Almost surely, 2^2553843289 is an apocalyptic number.

It is an amenable number.

2553843289 is a deficient number, since it is larger than the sum of its proper divisors (1059035).

2553843289 is a wasteful number, since it uses less digits than its factorization.

2553843289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059034.

The product of its digits is 2073600, while the sum is 49.

The square root of 2553843289 is about 50535.5645956390. The cubic root of 2553843289 is about 1366.8832283100.

The spelling of 2553843289 in words is "two billion, five hundred fifty-three million, eight hundred forty-three thousand, two hundred eighty-nine".