6139069907 has 4 divisors (see below), whose sum is σ = 6139992480. Its totient is φ = 6138147336.

The previous prime is 6139069897. The next prime is 6139069919. The reversal of 6139069907 is 7099609316.

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 6139069907 - 2⁶ = 6139069843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6139069997) 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, 451232 + ... + 464637.

It is an arithmetic number, because the mean of its divisors is an integer number (1534998120).

Almost surely, 2^6139069907 is an apocalyptic number.

6139069907 is a deficient number, since it is larger than the sum of its proper divisors (922573).

6139069907 is an equidigital number, since it uses as much as digits as its factorization.

6139069907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922572.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 6139069907 is about 78352.2169884171. The cubic root of 6139069907 is about 1831.0527657022.

The spelling of 6139069907 in words is "six billion, one hundred thirty-nine million, sixty-nine thousand, nine hundred seven".