38904925723 has 4 divisors (see below), whose sum is σ = 39956410240. Its totient is φ = 37853441208.

The previous prime is 38904925681. The next prime is 38904925751. The reversal of 38904925723 is 32752940983.

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

It is a cyclic number.

It is not a de Polignac number, because 38904925723 - 2⁹ = 38904925211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38904925783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525742203 + ... + 525742276.

It is an arithmetic number, because the mean of its divisors is an integer number (9989102560).

Almost surely, 2^38904925723 is an apocalyptic number.

38904925723 is a deficient number, since it is larger than the sum of its proper divisors (1051484517).

38904925723 is a wasteful number, since it uses less digits than its factorization.

38904925723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051484516.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 38904925723 in words is "thirty-eight billion, nine hundred four million, nine hundred twenty-five thousand, seven hundred twenty-three".