2688215104 has 21 divisors (see below), whose sum is σ = 5335250061. Its totient is φ = 1343900160.

The previous prime is 2688215063. The next prime is 2688215111. The reversal of 2688215104 is 4015128862.

The square root of 2688215104 is 51848.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2555504704 + 132710400 = 50552^2 + 11520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 411544 + ... + 418024.

Almost surely, 2^2688215104 is an apocalyptic number.

2688215104 is the 51848-th square number.

It is an amenable number.

2688215104 is a deficient number, since it is larger than the sum of its proper divisors (2647034957).

2688215104 is an frugal number, since it uses more digits than its factorization.

2688215104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974 (or 6483 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The cubic root of 2688215104 is about 1390.4477456178.

The spelling of 2688215104 in words is "two billion, six hundred eighty-eight million, two hundred fifteen thousand, one hundred four".