38167868809 has 4 divisors (see below), whose sum is σ = 43620421504. Its totient is φ = 32715316116.

The previous prime is 38167868773. The next prime is 38167868813. The reversal of 38167868809 is 90886876183.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90886876183 = 37 ⋅2456402059.

It is not a de Polignac number, because 38167868809 - 2⁷ = 38167868681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38167869809) 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, 2726276337 + ... + 2726276350.

It is an arithmetic number, because the mean of its divisors is an integer number (10905105376).

Almost surely, 2^38167868809 is an apocalyptic number.

It is an amenable number.

38167868809 is a deficient number, since it is larger than the sum of its proper divisors (5452552695).

38167868809 is an equidigital number, since it uses as much as digits as its factorization.

38167868809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452552694.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 38167868809 in words is "thirty-eight billion, one hundred sixty-seven million, eight hundred sixty-eight thousand, eight hundred nine".