38969929932137 has 4 divisors (see below), whose sum is σ = 38989924767300. Its totient is φ = 38949935096976.

The previous prime is 38969929932133. The next prime is 38969929932247. The reversal of 38969929932137 is 73123992996983.

38969929932137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32473084602256 + 6496845329881 = 5698516^2 + 2548891^2 .

It is a cyclic number.

It is not a de Polignac number, because 38969929932137 - 2² = 38969929932133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38969929932133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9997414658 + ... + 9997418555.

It is an arithmetic number, because the mean of its divisors is an integer number (9747481191825).

Almost surely, 2^{38969929932137} is an apocalyptic number.

It is an amenable number.

38969929932137 is a deficient number, since it is larger than the sum of its proper divisors (19994835163).

38969929932137 is a wasteful number, since it uses less digits than its factorization.

38969929932137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19994835162.

The product of its digits is 2142770112, while the sum is 80.

The spelling of 38969929932137 in words is "thirty-eight trillion, nine hundred sixty-nine billion, nine hundred twenty-nine million, nine hundred thirty-two thousand, one hundred thirty-seven".