2163764732 has 12 divisors (see below), whose sum is σ = 3843105000. Its totient is φ = 1065734736.

The previous prime is 2163764731. The next prime is 2163764747. The reversal of 2163764732 is 2374673612.

It is a self number, because there is not a number n which added to its sum of digits gives 2163764732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163764731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036607 + ... + 4037142.

It is an arithmetic number, because the mean of its divisors is an integer number (320258750).

Almost surely, 2^2163764732 is an apocalyptic number.

It is an amenable number.

2163764732 is a deficient number, since it is larger than the sum of its proper divisors (1679340268).

2163764732 is a wasteful number, since it uses less digits than its factorization.

2163764732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073820 (or 8073818 counting only the distinct ones).

The product of its digits is 254016, while the sum is 41.

The square root of 2163764732 is about 46516.2845893779. The cubic root of 2163764732 is about 1293.4113845328.

The spelling of 2163764732 in words is "two billion, one hundred sixty-three million, seven hundred sixty-four thousand, seven hundred thirty-two".