13313632261 has 2 divisors, whose sum is σ = 13313632262. Its totient is φ = 13313632260.

The previous prime is 13313632249. The next prime is 13313632273. The reversal of 13313632261 is 16223631331.

It is a balanced prime because it is at equal distance from previous prime (13313632249) and next prime (13313632273).

It can be written as a sum of positive squares in only one way, i.e., 7206991236 + 6106641025 = 84894^2 + 78145^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313632261 - 2¹⁵ = 13313599493 is a prime.

It is a super-2 number, since 2×13313632261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313632231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656816130 + 6656816131.

It is an arithmetic number, because the mean of its divisors is an integer number (6656816131).

Almost surely, 2^13313632261 is an apocalyptic number.

It is an amenable number.

13313632261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313632261 is an equidigital number, since it uses as much as digits as its factorization.

13313632261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The spelling of 13313632261 in words is "thirteen billion, three hundred thirteen million, six hundred thirty-two thousand, two hundred sixty-one".