38023197947 has 4 divisors (see below), whose sum is σ = 43455083376. Its totient is φ = 32591312520.

The previous prime is 38023197941. The next prime is 38023197959. The reversal of 38023197947 is 74979132083.

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 38023197947 - 2¹⁰ = 38023196923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38023197941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715942704 + ... + 2715942717.

It is an arithmetic number, because the mean of its divisors is an integer number (10863770844).

Almost surely, 2^38023197947 is an apocalyptic number.

38023197947 is a deficient number, since it is larger than the sum of its proper divisors (5431885429).

38023197947 is an equidigital number, since it uses as much as digits as its factorization.

38023197947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431885428.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 38023197947 in words is "thirty-eight billion, twenty-three million, one hundred ninety-seven thousand, nine hundred forty-seven".