2689380036668 has 24 divisors (see below), whose sum is σ = 5176286294592. Its totient is φ = 1214842699584.

The previous prime is 2689380036667. The next prime is 2689380036691. The reversal of 2689380036668 is 8666300839862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689380036667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550198055 + ... + 550202942.

It is an arithmetic number, because the mean of its divisors is an integer number (215678595608).

Almost surely, 2^{2689380036668} is an apocalyptic number.

It is an amenable number.

2689380036668 is a deficient number, since it is larger than the sum of its proper divisors (2486906257924).

2689380036668 is a wasteful number, since it uses less digits than its factorization.

2689380036668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100401061 (or 1100401059 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 2689380036668 in words is "two trillion, six hundred eighty-nine billion, three hundred eighty million, thirty-six thousand, six hundred sixty-eight".