6429389239 has 16 divisors (see below), whose sum is σ = 8378572608. Its totient is φ = 4787753472.

The previous prime is 6429389231. The next prime is 6429389251. The reversal of 6429389239 is 9329839246.

6429389239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6429389239 - 2³ = 6429389231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6429389239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429389231) 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, 2076472 + ... + 2079565.

It is an arithmetic number, because the mean of its divisors is an integer number (523660788).

Almost surely, 2^6429389239 is an apocalyptic number.

6429389239 is a deficient number, since it is larger than the sum of its proper divisors (1949183369).

6429389239 is a wasteful number, since it uses less digits than its factorization.

6429389239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156074.

The product of its digits is 5038848, while the sum is 55.

The square root of 6429389239 is about 80183.4723555921. The cubic root of 6429389239 is about 1859.4731269670.

The spelling of 6429389239 in words is "six billion, four hundred twenty-nine million, three hundred eighty-nine thousand, two hundred thirty-nine".