38725912793 has 4 divisors (see below), whose sum is σ = 38849638068. Its totient is φ = 38602187520.

The previous prime is 38725912763. The next prime is 38725912831. The reversal of 38725912793 is 39721952783.

It is a happy number.

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 1579903504 + 37146009289 = 39748^2 + 192733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38725912793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38725912763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61862168 + ... + 61862793.

It is an arithmetic number, because the mean of its divisors is an integer number (9712409517).

Almost surely, 2^38725912793 is an apocalyptic number.

It is an amenable number.

38725912793 is a deficient number, since it is larger than the sum of its proper divisors (123725275).

38725912793 is a wasteful number, since it uses less digits than its factorization.

38725912793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123725274.

The product of its digits is 5715360, while the sum is 56.

The spelling of 38725912793 in words is "thirty-eight billion, seven hundred twenty-five million, nine hundred twelve thousand, seven hundred ninety-three".