2419091909 has 16 divisors (see below), whose sum is σ = 2633610672. Its totient is φ = 2208718848.

The previous prime is 2419091903. The next prime is 2419091933. The reversal of 2419091909 is 9091909142.

It can be written as a sum of positive squares in 8 ways, for example, as 894189409 + 1524902500 = 29903^2 + 39050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2419091909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2419091909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2419091903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869729 + ... + 872505.

It is an arithmetic number, because the mean of its divisors is an integer number (164600667).

Almost surely, 2^2419091909 is an apocalyptic number.

It is an amenable number.

2419091909 is a deficient number, since it is larger than the sum of its proper divisors (214518763).

2419091909 is a wasteful number, since it uses less digits than its factorization.

2419091909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 2419091909 is about 49184.2648516779. The cubic root of 2419091909 is about 1342.4067367795.

The spelling of 2419091909 in words is "two billion, four hundred nineteen million, ninety-one thousand, nine hundred nine".