6139889315 has 16 divisors (see below), whose sum is σ = 8421691392. Its totient is φ = 4209573984.

The previous prime is 6139889299. The next prime is 6139889323. The reversal of 6139889315 is 5139889316.

It is not a de Polignac number, because 6139889315 - 2⁴ = 6139889299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448502 + ... + 461988.

It is an arithmetic number, because the mean of its divisors is an integer number (526355712).

Almost surely, 2^6139889315 is an apocalyptic number.

6139889315 is a deficient number, since it is larger than the sum of its proper divisors (2281802077).

6139889315 is a wasteful number, since it uses less digits than its factorization.

6139889315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26506.

The product of its digits is 1399680, while the sum is 53.

The square root of 6139889315 is about 78357.4458172291. The cubic root of 6139889315 is about 1831.1342282342.

Subtracting from 6139889315 its reverse (5139889316), we obtain a palindrome (999999999).

The spelling of 6139889315 in words is "six billion, one hundred thirty-nine million, eight hundred eighty-nine thousand, three hundred fifteen".