13241663081 has 2 divisors, whose sum is σ = 13241663082. Its totient is φ = 13241663080.

The previous prime is 13241663033. The next prime is 13241663147. The reversal of 13241663081 is 18036614231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13238803600 + 2859481 = 115060^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241663081 - 2¹⁴ = 13241646697 is a prime.

It is a super-2 number, since 2×13241663081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13241063081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620831540 + 6620831541.

It is an arithmetic number, because the mean of its divisors is an integer number (6620831541).

Almost surely, 2^13241663081 is an apocalyptic number.

It is an amenable number.

13241663081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241663081 is an equidigital number, since it uses as much as digits as its factorization.

13241663081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13241663081 in words is "thirteen billion, two hundred forty-one million, six hundred sixty-three thousand, eighty-one".