2489805711 has 6 divisors (see below), whose sum is σ = 3596386040. Its totient is φ = 1659870468.

The previous prime is 2489805709. The next prime is 2489805743. The reversal of 2489805711 is 1175089842.

It is not a de Polignac number, because 2489805711 - 2¹ = 2489805709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489805761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138322531 + ... + 138322548.

Almost surely, 2^2489805711 is an apocalyptic number.

2489805711 is a deficient number, since it is larger than the sum of its proper divisors (1106580329).

2489805711 is a wasteful number, since it uses less digits than its factorization.

2489805711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276645085 (or 276645082 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 2489805711 is about 49897.9529740449. The cubic root of 2489805711 is about 1355.3615246083.

The spelling of 2489805711 in words is "two billion, four hundred eighty-nine million, eight hundred five thousand, seven hundred eleven".