38418634799 has 4 divisors (see below), whose sum is σ = 38419345536. Its totient is φ = 38417924064.

The previous prime is 38418634783. The next prime is 38418634801. The reversal of 38418634799 is 99743681483.

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 38418634799 - 2⁴ = 38418634783 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 (38418634739) 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, 266954 + ... + 384839.

It is an arithmetic number, because the mean of its divisors is an integer number (9604836384).

Almost surely, 2^38418634799 is an apocalyptic number.

38418634799 is a deficient number, since it is larger than the sum of its proper divisors (710737).

38418634799 is an equidigital number, since it uses as much as digits as its factorization.

38418634799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710736.

The product of its digits is 31352832, while the sum is 62.

The spelling of 38418634799 in words is "thirty-eight billion, four hundred eighteen million, six hundred thirty-four thousand, seven hundred ninety-nine".