2544795289 has 2 divisors, whose sum is σ = 2544795290. Its totient is φ = 2544795288.

The previous prime is 2544795271. The next prime is 2544795317. The reversal of 2544795289 is 9825974452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2006323264 + 538472025 = 44792^2 + 23205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544795289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2544795089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272397644 + 1272397645.

It is an arithmetic number, because the mean of its divisors is an integer number (1272397645).

Almost surely, 2^2544795289 is an apocalyptic number.

It is an amenable number.

2544795289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544795289 is an equidigital number, since it uses as much as digits as its factorization.

2544795289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 55.

The square root of 2544795289 is about 50445.9640506552. The cubic root of 2544795289 is about 1365.2670766878.

The spelling of 2544795289 in words is "two billion, five hundred forty-four million, seven hundred ninety-five thousand, two hundred eighty-nine".