6138959709 has 8 divisors (see below), whose sum is σ = 8666766720. Its totient is φ = 3851896256.

The previous prime is 6138959683. The next prime is 6138959713. The reversal of 6138959709 is 9079598316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6138959709 - 2⁵ = 6138959677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138959719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60185829 + ... + 60185930.

It is an arithmetic number, because the mean of its divisors is an integer number (1083345840).

Almost surely, 2^6138959709 is an apocalyptic number.

It is an amenable number.

6138959709 is a deficient number, since it is larger than the sum of its proper divisors (2527807011).

6138959709 is a wasteful number, since it uses less digits than its factorization.

6138959709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120371779.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 6138959709 is about 78351.5137632962. The cubic root of 6138959709 is about 1831.0418096691.

The spelling of 6138959709 in words is "six billion, one hundred thirty-eight million, nine hundred fifty-nine thousand, seven hundred nine".