38338698869 has 2 divisors, whose sum is σ = 38338698870. Its totient is φ = 38338698868.

The previous prime is 38338698857. The next prime is 38338698889. The reversal of 38338698869 is 96889683383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33617222500 + 4721476369 = 183350^2 + 68713^2 .

It is a cyclic number.

It is not a de Polignac number, because 38338698869 - 2⁸ = 38338698613 is a prime.

It is a super-2 number, since 2×38338698869² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38338698889) 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, 19169349434 + 19169349435.

It is an arithmetic number, because the mean of its divisors is an integer number (19169349435).

Almost surely, 2^38338698869 is an apocalyptic number.

It is an amenable number.

38338698869 is a deficient number, since it is larger than the sum of its proper divisors (1).

38338698869 is an equidigital number, since it uses as much as digits as its factorization.

38338698869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322486272, while the sum is 71.

The spelling of 38338698869 in words is "thirty-eight billion, three hundred thirty-eight million, six hundred ninety-eight thousand, eight hundred sixty-nine".