2541943295569 has 2 divisors, whose sum is σ = 2541943295570. Its totient is φ = 2541943295568.

The previous prime is 2541943295543. The next prime is 2541943295611. The reversal of 2541943295569 is 9655923491452.

It is a happy number.

2541943295569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1978973697600 + 562969597969 = 1406760^2 + 750313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541943295569 - 2¹⁵ = 2541943262801 is a prime.

It is a super-2 number, since 2×2541943295569² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2541943295569.

It is not a weakly prime, because it can be changed into another prime (2541943295509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270971647784 + 1270971647785.

It is an arithmetic number, because the mean of its divisors is an integer number (1270971647785).

Almost surely, 2^{2541943295569} is an apocalyptic number.

It is an amenable number.

2541943295569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541943295569 is an equidigital number, since it uses as much as digits as its factorization.

2541943295569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976000, while the sum is 64.

The spelling of 2541943295569 in words is "two trillion, five hundred forty-one billion, nine hundred forty-three million, two hundred ninety-five thousand, five hundred sixty-nine".