38139200929 has 2 divisors, whose sum is σ = 38139200930. Its totient is φ = 38139200928.

The previous prime is 38139200917. The next prime is 38139201041. The reversal of 38139200929 is 92900293183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37830250000 + 308950929 = 194500^2 + 17577^2 .

It is a cyclic number.

It is not a de Polignac number, because 38139200929 - 2²⁷ = 38004983201 is a prime.

It is not a weakly prime, because it can be changed into another prime (38139200629) 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, 19069600464 + 19069600465.

It is an arithmetic number, because the mean of its divisors is an integer number (19069600465).

Almost surely, 2^38139200929 is an apocalyptic number.

It is an amenable number.

38139200929 is a deficient number, since it is larger than the sum of its proper divisors (1).

38139200929 is an equidigital number, since it uses as much as digits as its factorization.

38139200929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 38139200929 in words is "thirty-eight billion, one hundred thirty-nine million, two hundred thousand, nine hundred twenty-nine".