38315372443 has 4 divisors (see below), whose sum is σ = 38855025648. Its totient is φ = 37775719240.

The previous prime is 38315372441. The next prime is 38315372453. The reversal of 38315372443 is 34427351383.

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 38315372443 - 2¹ = 38315372441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38315372443.

It is not an unprimeable number, because it can be changed into a prime (38315372441) 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, 269826496 + ... + 269826637.

It is an arithmetic number, because the mean of its divisors is an integer number (9713756412).

Almost surely, 2^38315372443 is an apocalyptic number.

38315372443 is a deficient number, since it is larger than the sum of its proper divisors (539653205).

38315372443 is an equidigital number, since it uses as much as digits as its factorization.

38315372443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539653204.

The product of its digits is 725760, while the sum is 43.

The spelling of 38315372443 in words is "thirty-eight billion, three hundred fifteen million, three hundred seventy-two thousand, four hundred forty-three".