2544729569 has 2 divisors, whose sum is σ = 2544729570. Its totient is φ = 2544729568.

The previous prime is 2544729521. The next prime is 2544729571. The reversal of 2544729569 is 9659274452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2531297344 + 13432225 = 50312^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544729569 - 2¹⁶ = 2544664033 is a prime.

It is a super-2 number, since 2×2544729569² = 12951297158685851522, which contains 22 as substring.

Together with 2544729571, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2544729569.

It is not a weakly prime, because it can be changed into another prime (2544729589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272364784 + 1272364785.

It is an arithmetic number, because the mean of its divisors is an integer number (1272364785).

Almost surely, 2^2544729569 is an apocalyptic number.

It is an amenable number.

2544729569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544729569 is an equidigital number, since it uses as much as digits as its factorization.

2544729569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The square root of 2544729569 is about 50445.3126563807. The cubic root of 2544729569 is about 1365.2553237942.

The spelling of 2544729569 in words is "two billion, five hundred forty-four million, seven hundred twenty-nine thousand, five hundred sixty-nine".