2553891659989 has 4 divisors (see below), whose sum is σ = 2554070230656. Its totient is φ = 2553713089324.

The previous prime is 2553891659981. The next prime is 2553891660007. The reversal of 2553891659989 is 9899561983552.

2553891659989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2553891659989 - 2³ = 2553891659981 is a prime.

It is a super-2 number, since 2×2553891659989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553891659981) 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, 89263879 + ... + 89292484.

It is an arithmetic number, because the mean of its divisors is an integer number (638517557664).

Almost surely, 2^{2553891659989} is an apocalyptic number.

It is an amenable number.

2553891659989 is a deficient number, since it is larger than the sum of its proper divisors (178570667).

2553891659989 is a wasteful number, since it uses less digits than its factorization.

2553891659989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178570666.

The product of its digits is 1889568000, while the sum is 79.

The spelling of 2553891659989 in words is "two trillion, five hundred fifty-three billion, eight hundred ninety-one million, six hundred fifty-nine thousand, nine hundred eighty-nine".