38191112039 has 4 divisors (see below), whose sum is σ = 38402112840. Its totient is φ = 37980111240.

The previous prime is 38191111969. The next prime is 38191112053. The reversal of 38191112039 is 93021119183.

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 38191112039 - 2¹⁶ = 38191046503 is a prime.

It is a super-2 number, since 2×38191112039² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38191111993 and 38191112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38191112539) 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, 105500129 + ... + 105500490.

It is an arithmetic number, because the mean of its divisors is an integer number (9600528210).

Almost surely, 2^38191112039 is an apocalyptic number.

38191112039 is a deficient number, since it is larger than the sum of its proper divisors (211000801).

38191112039 is a wasteful number, since it uses less digits than its factorization.

38191112039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211000800.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 38191112039 in words is "thirty-eight billion, one hundred ninety-one million, one hundred twelve thousand, thirty-nine".