2945335688 has 16 divisors (see below), whose sum is σ = 5523457500. Its totient is φ = 1472413696.

The previous prime is 2945335661. The next prime is 2945335703. The reversal of 2945335688 is 8865335492.

It can be written as a sum of positive squares in 2 ways, for example, as 2741360164 + 203975524 = 52358^2 + 14282^2 .

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, 23048 + ... + 80136.

Almost surely, 2^2945335688 is an apocalyptic number.

It is an amenable number.

2945335688 is a deficient number, since it is larger than the sum of its proper divisors (2578121812).

2945335688 is a wasteful number, since it uses less digits than its factorization.

2945335688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63544 (or 63540 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The square root of 2945335688 is about 54270.9469974497. The cubic root of 2945335688 is about 1433.4358653653.

The spelling of 2945335688 in words is "two billion, nine hundred forty-five million, three hundred thirty-five thousand, six hundred eighty-eight".