2645524853269 has 2 divisors, whose sum is σ = 2645524853270. Its totient is φ = 2645524853268.

The previous prime is 2645524853197. The next prime is 2645524853281. The reversal of 2645524853269 is 9623584255462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2567397336100 + 78127517169 = 1602310^2 + 279513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645524853269 - 2⁷ = 2645524853141 is a prime.

It is a super-2 number, since 2×2645524853269² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645524851269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322762426634 + 1322762426635.

It is an arithmetic number, because the mean of its divisors is an integer number (1322762426635).

Almost surely, 2^{2645524853269} is an apocalyptic number.

It is an amenable number.

2645524853269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645524853269 is an equidigital number, since it uses as much as digits as its factorization.

2645524853269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416000, while the sum is 61.

The spelling of 2645524853269 in words is "two trillion, six hundred forty-five billion, five hundred twenty-four million, eight hundred fifty-three thousand, two hundred sixty-nine".