38158448073 has 4 divisors (see below), whose sum is σ = 50877930768. Its totient is φ = 25438965380.

The previous prime is 38158448071. The next prime is 38158448077. The reversal of 38158448073 is 37084485183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38158448073 - 2¹ = 38158448071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38158448071) 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, 6359741343 + ... + 6359741348.

It is an arithmetic number, because the mean of its divisors is an integer number (12719482692).

Almost surely, 2^38158448073 is an apocalyptic number.

It is an amenable number.

38158448073 is a deficient number, since it is larger than the sum of its proper divisors (12719482695).

38158448073 is a wasteful number, since it uses less digits than its factorization.

38158448073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719482694.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 38158448073 in words is "thirty-eight billion, one hundred fifty-eight million, four hundred forty-eight thousand, seventy-three".