2898694666 has 12 divisors (see below), whose sum is σ = 5057926578. Its totient is φ = 1242297672.

The previous prime is 2898694639. The next prime is 2898694691. The reversal of 2898694666 is 6664968982.

It can be written as a sum of positive squares in only one way, i.e., 2871352225 + 27342441 = 53585^2 + 5229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2898694598 and 2898694607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14789161 + ... + 14789356.

Almost surely, 2^2898694666 is an apocalyptic number.

2898694666 is a deficient number, since it is larger than the sum of its proper divisors (2159231912).

2898694666 is a wasteful number, since it uses less digits than its factorization.

2898694666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29578533 (or 29578526 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 64.

The square root of 2898694666 is about 53839.5269852921. The cubic root of 2898694666 is about 1425.8291538130.

The spelling of 2898694666 in words is "two billion, eight hundred ninety-eight million, six hundred ninety-four thousand, six hundred sixty-six".