38042619169 has 2 divisors, whose sum is σ = 38042619170. Its totient is φ = 38042619168.

The previous prime is 38042619149. The next prime is 38042619271. The reversal of 38042619169 is 96191624083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19568372769 + 18474246400 = 139887^2 + 135920^2 .

It is a cyclic number.

It is not a de Polignac number, because 38042619169 - 2¹⁷ = 38042488097 is a prime.

It is a super-2 number, since 2×38042619169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38042619149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19021309584 + 19021309585.

It is an arithmetic number, because the mean of its divisors is an integer number (19021309585).

Almost surely, 2^38042619169 is an apocalyptic number.

It is an amenable number.

38042619169 is a deficient number, since it is larger than the sum of its proper divisors (1).

38042619169 is an equidigital number, since it uses as much as digits as its factorization.

38042619169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 38042619169 in words is "thirty-eight billion, forty-two million, six hundred nineteen thousand, one hundred sixty-nine".