6139889317 has 4 divisors (see below), whose sum is σ = 6140082316. Its totient is φ = 6139696320.

The previous prime is 6139889299. The next prime is 6139889323. The reversal of 6139889317 is 7139889316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4656561121 + 1483328196 = 68239^2 + 38514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6139889317 is a prime.

It is a super-3 number, since 3×6139889317³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139889377) 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, 36234 + ... + 116587.

It is an arithmetic number, because the mean of its divisors is an integer number (1535020579).

Almost surely, 2^6139889317 is an apocalyptic number.

It is an amenable number.

6139889317 is a deficient number, since it is larger than the sum of its proper divisors (192999).

6139889317 is a wasteful number, since it uses less digits than its factorization.

6139889317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192998.

The product of its digits is 1959552, while the sum is 55.

The square root of 6139889317 is about 78357.4458299912. The cubic root of 6139889317 is about 1831.1342284330.

Subtracting 6139889317 from its reverse (7139889316), we obtain a palindrome (999999999).

The spelling of 6139889317 in words is "six billion, one hundred thirty-nine million, eight hundred eighty-nine thousand, three hundred seventeen".