2814949644 has 24 divisors (see below), whose sum is σ = 7073463600. Its totient is φ = 866138304.

The previous prime is 2814949633. The next prime is 2814949651. The reversal of 2814949644 is 4469494182.

It is a happy 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, 9022119 + ... + 9022430.

It is an arithmetic number, because the mean of its divisors is an integer number (294727650).

Almost surely, 2^2814949644 is an apocalyptic number.

It is an amenable number.

2814949644 is an abundant number, since it is smaller than the sum of its proper divisors (4258513956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2814949644 is a wasteful number, since it uses less digits than its factorization.

2814949644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044569 (or 18044567 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 2814949644 is about 53056.0990273503. The cubic root of 2814949644 is about 1411.9637383118.

The spelling of 2814949644 in words is "two billion, eight hundred fourteen million, nine hundred forty-nine thousand, six hundred forty-four".