2689840489862 has 16 divisors (see below), whose sum is σ = 4306935110400. Its totient is φ = 1256189404680.

The previous prime is 2689840489811. The next prime is 2689840489943.

2689840489862 is nontrivially palindromic in base 10.

2689840489862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2689840489862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498485162 + ... + 498490557.

It is an arithmetic number, because the mean of its divisors is an integer number (269183444400).

Almost surely, 2^{2689840489862} is an apocalyptic number.

2689840489862 is a deficient number, since it is larger than the sum of its proper divisors (1617094620538).

2689840489862 is a wasteful number, since it uses less digits than its factorization.

2689840489862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996975811.

The product of its (nonzero) digits is 764411904, while the sum is 74.

The spelling of 2689840489862 in words is "two trillion, six hundred eighty-nine billion, eight hundred forty million, four hundred eighty-nine thousand, eight hundred sixty-two".