38381373769 has 2 divisors, whose sum is σ = 38381373770. Its totient is φ = 38381373768.

The previous prime is 38381373743. The next prime is 38381373847. The reversal of 38381373769 is 96737318383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35613351225 + 2768022544 = 188715^2 + 52612^2 .

It is an emirp because it is prime and its reverse (96737318383) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38381373769 is a prime.

It is a super-2 number, since 2×38381373769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38381373269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190686884 + 19190686885.

It is an arithmetic number, because the mean of its divisors is an integer number (19190686885).

Almost surely, 2^38381373769 is an apocalyptic number.

It is an amenable number.

38381373769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38381373769 is an equidigital number, since it uses as much as digits as its factorization.

38381373769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The spelling of 38381373769 in words is "thirty-eight billion, three hundred eighty-one million, three hundred seventy-three thousand, seven hundred sixty-nine".