2816189764 has 6 divisors (see below), whose sum is σ = 4928332094. Its totient is φ = 1408094880.

The previous prime is 2816189743. The next prime is 2816189813. The reversal of 2816189764 is 4679816182.

It can be written as a sum of positive squares in only one way, i.e., 2090318400 + 725871364 = 45720^2 + 26942^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 352023717 + ... + 352023724.

Almost surely, 2^2816189764 is an apocalyptic number.

It is an amenable number.

2816189764 is a deficient number, since it is larger than the sum of its proper divisors (2112142330).

2816189764 is a wasteful number, since it uses less digits than its factorization.

2816189764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704047445 (or 704047443 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 2816189764 is about 53067.7846155273. The cubic root of 2816189764 is about 1412.1710537314.

The spelling of 2816189764 in words is "two billion, eight hundred sixteen million, one hundred eighty-nine thousand, seven hundred sixty-four".