2688464189 has 8 divisors (see below), whose sum is σ = 2754414432. Its totient is φ = 2622669840.

The previous prime is 2688464183. The next prime is 2688464213. The reversal of 2688464189 is 9814648862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2688464189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688464183) 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 7 ways as a sum of consecutive naturals, for example, 3674 + ... + 73419.

It is an arithmetic number, because the mean of its divisors is an integer number (344301804).

Almost surely, 2^2688464189 is an apocalyptic number.

It is an amenable number.

2688464189 is a deficient number, since it is larger than the sum of its proper divisors (65950243).

2688464189 is an equidigital number, since it uses as much as digits as its factorization.

2688464189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77947.

The product of its digits is 5308416, while the sum is 56.

The square root of 2688464189 is about 51850.4020138706. The cubic root of 2688464189 is about 1390.4906897235.

The spelling of 2688464189 in words is "two billion, six hundred eighty-eight million, four hundred sixty-four thousand, one hundred eighty-nine".