4064658639 has 16 divisors (see below), whose sum is σ = 5756466528. Its totient is φ = 2542318592.

The previous prime is 4064658599. The next prime is 4064658641. The reversal of 4064658639 is 9368564604.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4064658639 - 2⁷ = 4064658511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 4064658591 and 4064658600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064658659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109542 + ... + 141875.

It is an arithmetic number, because the mean of its divisors is an integer number (359779158).

Almost surely, 2^4064658639 is an apocalyptic number.

4064658639 is a deficient number, since it is larger than the sum of its proper divisors (1691807889).

4064658639 is a wasteful number, since it uses less digits than its factorization.

4064658639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251754.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 4064658639 is about 63754.6754285519. The cubic root of 4064658639 is about 1595.9086405233.

The spelling of 4064658639 in words is "four billion, sixty-four million, six hundred fifty-eight thousand, six hundred thirty-nine".