4659643672 has 16 divisors (see below), whose sum is σ = 9038102400. Its totient is φ = 2249483040.

The previous prime is 4659643627. The next prime is 4659643687. The reversal of 4659643672 is 2763469564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10042104 + ... + 10042567.

It is an arithmetic number, because the mean of its divisors is an integer number (564881400).

Almost surely, 2^4659643672 is an apocalyptic number.

It is an amenable number.

4659643672 is a deficient number, since it is larger than the sum of its proper divisors (4378458728).

4659643672 is a wasteful number, since it uses less digits than its factorization.

4659643672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084706 (or 20084702 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The square root of 4659643672 is about 68261.5826948072. The cubic root of 4659643672 is about 1670.2605963822.

The spelling of 4659643672 in words is "four billion, six hundred fifty-nine million, six hundred forty-three thousand, six hundred seventy-two".