2544973730441 has 2 divisors, whose sum is σ = 2544973730442. Its totient is φ = 2544973730440.

The previous prime is 2544973730423. The next prime is 2544973730473. The reversal of 2544973730441 is 1440373794452.

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., 2059164730441 + 485809000000 = 1434979^2 + 697000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544973730441 - 2²⁶ = 2544906621577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2544973735441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272486865220 + 1272486865221.

It is an arithmetic number, because the mean of its divisors is an integer number (1272486865221).

Almost surely, 2^{2544973730441} is an apocalyptic number.

It is an amenable number.

2544973730441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544973730441 is an equidigital number, since it uses as much as digits as its factorization.

2544973730441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 2544973730441 in words is "two trillion, five hundred forty-four billion, nine hundred seventy-three million, seven hundred thirty thousand, four hundred forty-one".