4656639673 has 8 divisors (see below), whose sum is σ = 5493547520. Its totient is φ = 3862650240.

The previous prime is 4656639667. The next prime is 4656639683. The reversal of 4656639673 is 3769366564.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4656639673 - 2⁵ = 4656639641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4656639683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10729368 + ... + 10729801.

It is an arithmetic number, because the mean of its divisors is an integer number (686693440).

Almost surely, 2^4656639673 is an apocalyptic number.

It is an amenable number.

4656639673 is a deficient number, since it is larger than the sum of its proper divisors (836907847).

4656639673 is a wasteful number, since it uses less digits than its factorization.

4656639673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21459207.

The product of its digits is 14696640, while the sum is 55.

The square root of 4656639673 is about 68239.5755628653. The cubic root of 4656639673 is about 1669.9015889754.

The spelling of 4656639673 in words is "four billion, six hundred fifty-six million, six hundred thirty-nine thousand, six hundred seventy-three".