13759982207981 has 2 divisors, whose sum is σ = 13759982207982. Its totient is φ = 13759982207980.

The previous prime is 13759982207941. The next prime is 13759982208053. The reversal of 13759982207981 is 18970228995731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11015960140900 + 2744022067081 = 3319030^2 + 1656509^2 .

It is a cyclic number.

It is not a de Polignac number, because 13759982207981 - 2¹⁴ = 13759982191597 is a prime.

It is a super-2 number, since 2×13759982207981² (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 (13759982207911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879991103990 + 6879991103991.

It is an arithmetic number, because the mean of its divisors is an integer number (6879991103991).

Almost surely, 2^{13759982207981} is an apocalyptic number.

It is an amenable number.

13759982207981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13759982207981 is an equidigital number, since it uses as much as digits as its factorization.

13759982207981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137168640, while the sum is 71.

The spelling of 13759982207981 in words is "thirteen trillion, seven hundred fifty-nine billion, nine hundred eighty-two million, two hundred seven thousand, nine hundred eighty-one".