2163713828 has 48 divisors (see below), whose sum is σ = 4126172400. Its totient is φ = 988753920.

The previous prime is 2163713821. The next prime is 2163713837. The reversal of 2163713828 is 8283173612.

It can be written as a sum of positive squares in 8 ways, for example, as 380172004 + 1783541824 = 19498^2 + 42232^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2163713821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636758 + ... + 640146.

It is an arithmetic number, because the mean of its divisors is an integer number (85961925).

Almost surely, 2^2163713828 is an apocalyptic number.

It is an amenable number.

2163713828 is a deficient number, since it is larger than the sum of its proper divisors (1962458572).

2163713828 is a wasteful number, since it uses less digits than its factorization.

2163713828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680 (or 3678 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 2163713828 is about 46515.7374229411. The cubic root of 2163713828 is about 1293.4012416664.

The spelling of 2163713828 in words is "two billion, one hundred sixty-three million, seven hundred thirteen thousand, eight hundred twenty-eight".