4663206639 has 64 divisors (see below), whose sum is σ = 8619520000. Its totient is φ = 2425925376.

The previous prime is 4663206629. The next prime is 4663206649. The reversal of 4663206639 is 9366023664.

It is a happy number.

4663206639 is a `hidden beast` number, since 4 + 6 + 6 + 3 + 2 + 0 + 6 + 639 = 666.

It is an interprime number because it is at equal distance from previous prime (4663206629) and next prime (4663206649).

It is not a de Polignac number, because 4663206639 - 2⁷ = 4663206511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4663206594 and 4663206603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663206619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166362 + ... + 192360.

It is an arithmetic number, because the mean of its divisors is an integer number (134680000).

Almost surely, 2^4663206639 is an apocalyptic number.

4663206639 is a deficient number, since it is larger than the sum of its proper divisors (3956313361).

4663206639 is a wasteful number, since it uses less digits than its factorization.

4663206639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26101 (or 26095 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The square root of 4663206639 is about 68287.6756010922. The cubic root of 4663206639 is about 1670.6862059802.

The spelling of 4663206639 in words is "four billion, six hundred sixty-three million, two hundred six thousand, six hundred thirty-nine".