13611062369 has 2 divisors, whose sum is σ = 13611062370. Its totient is φ = 13611062368.

The previous prime is 13611062347. The next prime is 13611062417. The reversal of 13611062369 is 96326011631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12766288144 + 844774225 = 112988^2 + 29065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13611062369 is a prime.

It is a super-2 number, since 2×13611062369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13611062669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6805531184 + 6805531185.

It is an arithmetic number, because the mean of its divisors is an integer number (6805531185).

Almost surely, 2^13611062369 is an apocalyptic number.

It is an amenable number.

13611062369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13611062369 is an equidigital number, since it uses as much as digits as its factorization.

13611062369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 13611062369 in words is "thirteen billion, six hundred eleven million, sixty-two thousand, three hundred sixty-nine".