13482581261 has 2 divisors, whose sum is σ = 13482581262. Its totient is φ = 13482581260.

The previous prime is 13482581207. The next prime is 13482581269. The reversal of 13482581261 is 16218528431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11208245161 + 2274336100 = 105869^2 + 47690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13482581261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13482581269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6741290630 + 6741290631.

It is an arithmetic number, because the mean of its divisors is an integer number (6741290631).

Almost surely, 2^13482581261 is an apocalyptic number.

It is an amenable number.

13482581261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13482581261 is an equidigital number, since it uses as much as digits as its factorization.

13482581261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The spelling of 13482581261 in words is "thirteen billion, four hundred eighty-two million, five hundred eighty-one thousand, two hundred sixty-one".