13758862713581 has 2 divisors, whose sum is σ = 13758862713582. Its totient is φ = 13758862713580.

The previous prime is 13758862713571. The next prime is 13758862713709. The reversal of 13758862713581 is 18531726885731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12913457860900 + 845404852681 = 3593530^2 + 919459^2 .

It is a cyclic number.

It is not a de Polignac number, because 13758862713581 - 2²⁶ = 13758795604717 is a prime.

It is a super-2 number, since 2×13758862713581² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13758862713571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879431356790 + 6879431356791.

It is an arithmetic number, because the mean of its divisors is an integer number (6879431356791).

Almost surely, 2^{13758862713581} is an apocalyptic number.

It is an amenable number.

13758862713581 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758862713581 is an equidigital number, since it uses as much as digits as its factorization.

13758862713581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67737600, while the sum is 65.

The spelling of 13758862713581 in words is "thirteen trillion, seven hundred fifty-eight billion, eight hundred sixty-two million, seven hundred thirteen thousand, five hundred eighty-one".