38616818269 has 2 divisors, whose sum is σ = 38616818270. Its totient is φ = 38616818268.

The previous prime is 38616818249. The next prime is 38616818291. The reversal of 38616818269 is 96281861683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35330089369 + 3286728900 = 187963^2 + 57330^2 .

It is a cyclic number.

It is not a de Polignac number, because 38616818269 - 2¹³ = 38616810077 is a prime.

It is a super-2 number, since 2×38616818269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38616818249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19308409134 + 19308409135.

It is an arithmetic number, because the mean of its divisors is an integer number (19308409135).

Almost surely, 2^38616818269 is an apocalyptic number.

It is an amenable number.

38616818269 is a deficient number, since it is larger than the sum of its proper divisors (1).

38616818269 is an equidigital number, since it uses as much as digits as its factorization.

38616818269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 58.

The spelling of 38616818269 in words is "thirty-eight billion, six hundred sixteen million, eight hundred eighteen thousand, two hundred sixty-nine".