2553530243569 has 2 divisors, whose sum is σ = 2553530243570. Its totient is φ = 2553530243568.

The previous prime is 2553530243501. The next prime is 2553530243591. The reversal of 2553530243569 is 9653420353552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2533626677169 + 19903566400 = 1591737^2 + 141080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553530243569 - 2²¹ = 2553528146417 is a prime.

It is a super-2 number, since 2×2553530243569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2553530243599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276765121784 + 1276765121785.

It is an arithmetic number, because the mean of its divisors is an integer number (1276765121785).

Almost surely, 2^{2553530243569} is an apocalyptic number.

It is an amenable number.

2553530243569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553530243569 is an equidigital number, since it uses as much as digits as its factorization.

2553530243569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580000, while the sum is 52.

The spelling of 2553530243569 in words is "two trillion, five hundred fifty-three billion, five hundred thirty million, two hundred forty-three thousand, five hundred sixty-nine".