4636646413 has 12 divisors (see below), whose sum is σ = 5396878560. Its totient is φ = 3971889432.

The previous prime is 4636646389. The next prime is 4636646423. The reversal of 4636646413 is 3146466364.

It is a de Polignac number, because none of the positive numbers 2^k-4636646413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4636646413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4636646423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56968 + ... + 111886.

It is an arithmetic number, because the mean of its divisors is an integer number (449739880).

Almost surely, 2^4636646413 is an apocalyptic number.

It is an amenable number.

4636646413 is a deficient number, since it is larger than the sum of its proper divisors (760232147).

4636646413 is a wasteful number, since it uses less digits than its factorization.

4636646413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56656 (or 56649 counting only the distinct ones).

The product of its digits is 746496, while the sum is 43.

The square root of 4636646413 is about 68092.9248380476. The cubic root of 4636646413 is about 1667.5082556364.

The spelling of 4636646413 in words is "four billion, six hundred thirty-six million, six hundred forty-six thousand, four hundred thirteen".