2606919609 has 12 divisors (see below), whose sum is σ = 4043385744. Its totient is φ = 1489668264.

The previous prime is 2606919583. The next prime is 2606919641. The reversal of 2606919609 is 9069196062.

It is a happy number.

It is not a de Polignac number, because 2606919609 - 2⁹ = 2606919097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2606919409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8866927 + ... + 8867220.

It is an arithmetic number, because the mean of its divisors is an integer number (336948812).

Almost surely, 2^2606919609 is an apocalyptic number.

It is an amenable number.

2606919609 is a deficient number, since it is larger than the sum of its proper divisors (1436466135).

2606919609 is a wasteful number, since it uses less digits than its factorization.

2606919609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734164 (or 17734157 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 2606919609 is about 51058.0023992322. The cubic root of 2606919609 is about 1376.2876504568.

The spelling of 2606919609 in words is "two billion, six hundred six million, nine hundred nineteen thousand, six hundred nine".