38709936269 has 2 divisors, whose sum is σ = 38709936270. Its totient is φ = 38709936268.

The previous prime is 38709936263. The next prime is 38709936271. The reversal of 38709936269 is 96263990783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22189975369 + 16519960900 = 148963^2 + 128530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38709936269 is a prime.

It is a super-2 number, since 2×38709936269² (a number of 22 digits) contains 22 as substring.

Together with 38709936271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38709936263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19354968134 + 19354968135.

It is an arithmetic number, because the mean of its divisors is an integer number (19354968135).

Almost surely, 2^38709936269 is an apocalyptic number.

It is an amenable number.

38709936269 is a deficient number, since it is larger than the sum of its proper divisors (1).

38709936269 is an equidigital number, since it uses as much as digits as its factorization.

38709936269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 38709936269 in words is "thirty-eight billion, seven hundred nine million, nine hundred thirty-six thousand, two hundred sixty-nine".