38829744957 has 8 divisors (see below), whose sum is σ = 51851558880. Its totient is φ = 25847213840.

The previous prime is 38829744911. The next prime is 38829744959. The reversal of 38829744957 is 75944792883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38829744957 - 2¹⁰ = 38829743933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38829744959) 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 in 7 ways as a sum of consecutive naturals, for example, 9818394 + ... + 9822347.

It is an arithmetic number, because the mean of its divisors is an integer number (6481444860).

Almost surely, 2^38829744957 is an apocalyptic number.

It is an amenable number.

38829744957 is a deficient number, since it is larger than the sum of its proper divisors (13021813923).

38829744957 is a wasteful number, since it uses less digits than its factorization.

38829744957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19641403.

The product of its digits is 121927680, while the sum is 66.

The spelling of 38829744957 in words is "thirty-eight billion, eight hundred twenty-nine million, seven hundred forty-four thousand, nine hundred fifty-seven".