2606145909 has 8 divisors (see below), whose sum is σ = 3475776192. Its totient is φ = 1736973120.

The previous prime is 2606145907. The next prime is 2606145937. The reversal of 2606145909 is 9095416062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2606145909 - 2¹ = 2606145907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606145901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100852 + ... + 124029.

It is an arithmetic number, because the mean of its divisors is an integer number (434472024).

Almost surely, 2^2606145909 is an apocalyptic number.

It is an amenable number.

2606145909 is a deficient number, since it is larger than the sum of its proper divisors (869630283).

2606145909 is a wasteful number, since it uses less digits than its factorization.

2606145909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228747.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2606145909 is about 51050.4251598358. The cubic root of 2606145909 is about 1376.1514821976.

The spelling of 2606145909 in words is "two billion, six hundred six million, one hundred forty-five thousand, nine hundred nine".