2321635216 has 10 divisors (see below), whose sum is σ = 4498168262. Its totient is φ = 1160817600.

The previous prime is 2321635201. The next prime is 2321635219. The reversal of 2321635216 is 6125361232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2313225216 + 8410000 = 48096^2 + 2900^2 .

It is not an unprimeable number, because it can be changed into a prime (2321635219) 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 as a sum of consecutive naturals, namely, 72551085 + ... + 72551116.

Almost surely, 2^2321635216 is an apocalyptic number.

It is an amenable number.

2321635216 is a deficient number, since it is larger than the sum of its proper divisors (2176533046).

2321635216 is a wasteful number, since it uses less digits than its factorization.

2321635216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145102209 (or 145102203 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2321635216 is about 48183.3499873141. The cubic root of 2321635216 is about 1324.1321415013.

Adding to 2321635216 its reverse (6125361232), we get a palindrome (8446996448).

The spelling of 2321635216 in words is "two billion, three hundred twenty-one million, six hundred thirty-five thousand, two hundred sixteen".