38691316239 has 16 divisors (see below), whose sum is σ = 52982259840. Its totient is φ = 25105949600.

The previous prime is 38691316231. The next prime is 38691316259. The reversal of 38691316239 is 93261319683.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38691316239 - 2³ = 38691316231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38691316191 and 38691316200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38691316231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064277 + ... + 1100030.

It is an arithmetic number, because the mean of its divisors is an integer number (3311391240).

Almost surely, 2^38691316239 is an apocalyptic number.

38691316239 is a deficient number, since it is larger than the sum of its proper divisors (14290943601).

38691316239 is a wasteful number, since it uses less digits than its factorization.

38691316239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164470.

The product of its digits is 1259712, while the sum is 51.

The spelling of 38691316239 in words is "thirty-eight billion, six hundred ninety-one million, three hundred sixteen thousand, two hundred thirty-nine".