38452868569 has 2 divisors, whose sum is σ = 38452868570. Its totient is φ = 38452868568.

The previous prime is 38452868549. The next prime is 38452868593. The reversal of 38452868569 is 96586825483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36985059225 + 1467809344 = 192315^2 + 38312^2 .

It is a cyclic number.

It is not a de Polignac number, because 38452868569 - 2²¹ = 38450771417 is a prime.

It is a super-2 number, since 2×38452868569² (a number of 22 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 38452868569.

It is not a weakly prime, because it can be changed into another prime (38452868539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226434284 + 19226434285.

It is an arithmetic number, because the mean of its divisors is an integer number (19226434285).

Almost surely, 2^38452868569 is an apocalyptic number.

It is an amenable number.

38452868569 is a deficient number, since it is larger than the sum of its proper divisors (1).

38452868569 is an equidigital number, since it uses as much as digits as its factorization.

38452868569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99532800, while the sum is 64.

The spelling of 38452868569 in words is "thirty-eight billion, four hundred fifty-two million, eight hundred sixty-eight thousand, five hundred sixty-nine".