38457748799 has 4 divisors (see below), whose sum is σ = 38458306440. Its totient is φ = 38457191160.

The previous prime is 38457748783. The next prime is 38457748831. The reversal of 38457748799 is 99784775483.

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 38457748799 - 2⁴ = 38457748783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38457748729) 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 3 ways as a sum of consecutive naturals, for example, 157889 + ... + 319130.

It is an arithmetic number, because the mean of its divisors is an integer number (9614576610).

Almost surely, 2^38457748799 is an apocalyptic number.

38457748799 is a deficient number, since it is larger than the sum of its proper divisors (557641).

38457748799 is an equidigital number, since it uses as much as digits as its factorization.

38457748799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557640.

The product of its digits is 426746880, while the sum is 71.

The spelling of 38457748799 in words is "thirty-eight billion, four hundred fifty-seven million, seven hundred forty-eight thousand, seven hundred ninety-nine".