2553221586529 has 2 divisors, whose sum is σ = 2553221586530. Its totient is φ = 2553221586528.

The previous prime is 2553221586523. The next prime is 2553221586533. The reversal of 2553221586529 is 9256851223552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088970136929 + 464251449600 = 1445327^2 + 681360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553221586529 - 2⁵ = 2553221586497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2553221586529.

It is not a weakly prime, because it can be changed into another prime (2553221586523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276610793264 + 1276610793265.

It is an arithmetic number, because the mean of its divisors is an integer number (1276610793265).

Almost surely, 2^{2553221586529} is an apocalyptic number.

It is an amenable number.

2553221586529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553221586529 is an equidigital number, since it uses as much as digits as its factorization.

2553221586529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960000, while the sum is 55.

The spelling of 2553221586529 in words is "two trillion, five hundred fifty-three billion, two hundred twenty-one million, five hundred eighty-six thousand, five hundred twenty-nine".