2799540009 has 32 divisors (see below), whose sum is σ = 4989440000. Its totient is φ = 1515538512.

The previous prime is 2799539987. The next prime is 2799540017. The reversal of 2799540009 is 9000459972.

It is not a de Polignac number, because 2799540009 - 2⁹ = 2799539497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799540049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386209 + ... + 393390.

It is an arithmetic number, because the mean of its divisors is an integer number (155920000).

Almost surely, 2^2799540009 is an apocalyptic number.

It is an amenable number.

2799540009 is a deficient number, since it is larger than the sum of its proper divisors (2189899991).

2799540009 is a wasteful number, since it uses less digits than its factorization.

2799540009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779634 (or 779628 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 2799540009 is about 52910.6795363658. The cubic root of 2799540009 is about 1409.3825589957.

The spelling of 2799540009 in words is "two billion, seven hundred ninety-nine million, five hundred forty thousand, nine".