13442401043081 has 2 divisors, whose sum is σ = 13442401043082. Its totient is φ = 13442401043080.

The previous prime is 13442401042991. The next prime is 13442401043111. The reversal of 13442401043081 is 18034010424431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8120128973056 + 5322272070025 = 2849584^2 + 2307005^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442401043081 - 2²⁶ = 13442333934217 is a prime.

It is a super-2 number, since 2×13442401043081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13442401043381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721200521540 + 6721200521541.

It is an arithmetic number, because the mean of its divisors is an integer number (6721200521541).

Almost surely, 2^{13442401043081} is an apocalyptic number.

It is an amenable number.

13442401043081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442401043081 is an equidigital number, since it uses as much as digits as its factorization.

13442401043081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 13442401043081 in words is "thirteen trillion, four hundred forty-two billion, four hundred one million, forty-three thousand, eighty-one".