2163364643 has 16 divisors (see below), whose sum is σ = 2496071040. Its totient is φ = 1854316800.

The previous prime is 2163364639. The next prime is 2163364669. The reversal of 2163364643 is 3464633612.

It is a cyclic number.

It is not a de Polignac number, because 2163364643 - 2² = 2163364639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2163364597 and 2163364606.

It is not an unprimeable number, because it can be changed into a prime (2163364633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19571 + ... + 68627.

It is an arithmetic number, because the mean of its divisors is an integer number (156004440).

Almost surely, 2^2163364643 is an apocalyptic number.

2163364643 is a deficient number, since it is larger than the sum of its proper divisors (332706397).

2163364643 is a wasteful number, since it uses less digits than its factorization.

2163364643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49298.

The product of its digits is 186624, while the sum is 38.

The square root of 2163364643 is about 46511.9838643763. The cubic root of 2163364643 is about 1293.3316605902.

The spelling of 2163364643 in words is "two billion, one hundred sixty-three million, three hundred sixty-four thousand, six hundred forty-three".