2490808709 has 4 divisors (see below), whose sum is σ = 2510421504. Its totient is φ = 2471195916.

The previous prime is 2490808679. The next prime is 2490808721. The reversal of 2490808709 is 9078080942.

2490808709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2490808709 - 2¹⁶ = 2490743173 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 (2490808609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806207 + ... + 9806460.

It is an arithmetic number, because the mean of its divisors is an integer number (627605376).

Almost surely, 2^2490808709 is an apocalyptic number.

It is an amenable number.

2490808709 is a deficient number, since it is larger than the sum of its proper divisors (19612795).

2490808709 is a wasteful number, since it uses less digits than its factorization.

2490808709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612794.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 2490808709 is about 49908.0024545162. The cubic root of 2490808709 is about 1355.5434989673.

The spelling of 2490808709 in words is "two billion, four hundred ninety million, eight hundred eight thousand, seven hundred nine".