4319139689 has 4 divisors (see below), whose sum is σ = 4319427540. Its totient is φ = 4318851840.

The previous prime is 4319139673. The next prime is 4319139701. The reversal of 4319139689 is 9869319134.

It is a happy number.

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 2919781225 + 1399358464 = 54035^2 + 37408^2 .

It is a cyclic number.

It is not a de Polignac number, because 4319139689 - 2⁴ = 4319139673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4319139689.

It is not an unprimeable number, because it can be changed into a prime (4319139089) 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, 120104 + ... + 151865.

It is an arithmetic number, because the mean of its divisors is an integer number (1079856885).

Almost surely, 2^4319139689 is an apocalyptic number.

It is an amenable number.

4319139689 is a deficient number, since it is larger than the sum of its proper divisors (287851).

4319139689 is a wasteful number, since it uses less digits than its factorization.

4319139689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287850.

The product of its digits is 1259712, while the sum is 53.

The square root of 4319139689 is about 65720.1619672380. The cubic root of 4319139689 is about 1628.5424496621.

The spelling of 4319139689 in words is "four billion, three hundred nineteen million, one hundred thirty-nine thousand, six hundred eighty-nine".