5344981431281 has 2 divisors, whose sum is σ = 5344981431282. Its totient is φ = 5344981431280.

The previous prime is 5344981431199. The next prime is 5344981431313. The reversal of 5344981431281 is 1821341894435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3416549288881 + 1928432142400 = 1848391^2 + 1388680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5344981431281 is a prime.

It is a super-2 number, since 2×5344981431281² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5344981437281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2672490715640 + 2672490715641.

It is an arithmetic number, because the mean of its divisors is an integer number (2672490715641).

Almost surely, 2^{5344981431281} is an apocalyptic number.

It is an amenable number.

5344981431281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5344981431281 is an equidigital number, since it uses as much as digits as its factorization.

5344981431281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 53.

The spelling of 5344981431281 in words is "five trillion, three hundred forty-four billion, nine hundred eighty-one million, four hundred thirty-one thousand, two hundred eighty-one".