2566426569253 has 2 divisors, whose sum is σ = 2566426569254. Its totient is φ = 2566426569252.

The previous prime is 2566426569241. The next prime is 2566426569271. The reversal of 2566426569253 is 3529656246652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1636449860644 + 929976708609 = 1279238^2 + 964353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566426569253 - 2⁴¹ = 367403313701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2566426569191 and 2566426569200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566426569233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283213284626 + 1283213284627.

It is an arithmetic number, because the mean of its divisors is an integer number (1283213284627).

Almost surely, 2^{2566426569253} is an apocalyptic number.

It is an amenable number.

2566426569253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566426569253 is an equidigital number, since it uses as much as digits as its factorization.

2566426569253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968000, while the sum is 61.

The spelling of 2566426569253 in words is "two trillion, five hundred sixty-six billion, four hundred twenty-six million, five hundred sixty-nine thousand, two hundred fifty-three".