4340065639 has 32 divisors (see below), whose sum is σ = 5398235136. Its totient is φ = 3397714560.

The previous prime is 4340065579. The next prime is 4340065651. The reversal of 4340065639 is 9365600434.

It is a cyclic number.

It is not a de Polignac number, because 4340065639 - 2²⁵ = 4306511207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340065669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4209054 + ... + 4210084.

It is an arithmetic number, because the mean of its divisors is an integer number (168694848).

Almost surely, 2^4340065639 is an apocalyptic number.

4340065639 is a deficient number, since it is larger than the sum of its proper divisors (1058169497).

4340065639 is a wasteful number, since it uses less digits than its factorization.

4340065639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 4340065639 is about 65879.1745470448. The cubic root of 4340065639 is about 1631.1682742065.

The spelling of 4340065639 in words is "four billion, three hundred forty million, sixty-five thousand, six hundred thirty-nine".