2698665812 has 12 divisors (see below), whose sum is σ = 4728056340. Its totient is φ = 1347792576.

The previous prime is 2698665791. The next prime is 2698665821. The reversal of 2698665812 is 2185668962.

2698665812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1251319876 + 1447345936 = 35374^2 + 38044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381137 + ... + 388152.

It is an arithmetic number, because the mean of its divisors is an integer number (394004695).

Almost surely, 2^2698665812 is an apocalyptic number.

It is an amenable number.

2698665812 is a deficient number, since it is larger than the sum of its proper divisors (2029390528).

2698665812 is a wasteful number, since it uses less digits than its factorization.

2698665812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770170 (or 770168 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 2698665812 is about 51948.6844106759. The cubic root of 2698665812 is about 1392.2472511046.

The spelling of 2698665812 in words is "two billion, six hundred ninety-eight million, six hundred sixty-five thousand, eight hundred twelve".