13418946090569 has 2 divisors, whose sum is σ = 13418946090570. Its totient is φ = 13418946090568.

The previous prime is 13418946090551. The next prime is 13418946090593. The reversal of 13418946090569 is 96509064981431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13295613079225 + 123333011344 = 3646315^2 + 351188^2 .

It is a cyclic number.

It is not a de Polignac number, because 13418946090569 - 2⁸ = 13418946090313 is a prime.

It is a super-2 number, since 2×13418946090569² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13418946090509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6709473045284 + 6709473045285.

It is an arithmetic number, because the mean of its divisors is an integer number (6709473045285).

Almost surely, 2^{13418946090569} is an apocalyptic number.

It is an amenable number.

13418946090569 is a deficient number, since it is larger than the sum of its proper divisors (1).

13418946090569 is an equidigital number, since it uses as much as digits as its factorization.

13418946090569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 13418946090569 in words is "thirteen trillion, four hundred eighteen billion, nine hundred forty-six million, ninety thousand, five hundred sixty-nine".