38969986119581 has 16 divisors (see below), whose sum is σ = 44052030274560. Its totient is φ = 34165352959920.

The previous prime is 38969986119553. The next prime is 38969986119587. The reversal of 38969986119581 is 18591168996983.

It is a cyclic number.

It is not a de Polignac number, because 38969986119581 - 2⁶ = 38969986119517 is a prime.

It is a super-2 number, since 2×38969986119581² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38969986119581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38969986119587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521411855 + ... + 521486588.

It is an arithmetic number, because the mean of its divisors is an integer number (2753251892160).

Almost surely, 2^{38969986119581} is an apocalyptic number.

It is an amenable number.

38969986119581 is a deficient number, since it is larger than the sum of its proper divisors (5082044154979).

38969986119581 is a wasteful number, since it uses less digits than its factorization.

38969986119581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042898576.

The product of its digits is 1813985280, while the sum is 83.

The spelling of 38969986119581 in words is "thirty-eight trillion, nine hundred sixty-nine billion, nine hundred eighty-six million, one hundred nineteen thousand, five hundred eighty-one".