4636684139 has 4 divisors (see below), whose sum is σ = 4677716856. Its totient is φ = 4595651424.

The previous prime is 4636684127. The next prime is 4636684163. The reversal of 4636684139 is 9314866364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4636684139 - 2⁴ = 4636684123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4636684189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20516189 + ... + 20516414.

It is an arithmetic number, because the mean of its divisors is an integer number (1169429214).

Almost surely, 2^4636684139 is an apocalyptic number.

4636684139 is a deficient number, since it is larger than the sum of its proper divisors (41032717).

4636684139 is a wasteful number, since it uses less digits than its factorization.

4636684139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41032716.

The product of its digits is 2239488, while the sum is 50.

The square root of 4636684139 is about 68093.2018559856. The cubic root of 4636684139 is about 1667.5127781756.

The spelling of 4636684139 in words is "four billion, six hundred thirty-six million, six hundred eighty-four thousand, one hundred thirty-nine".