2606245439 has 4 divisors (see below), whose sum is σ = 2978566224. Its totient is φ = 2233924656.

The previous prime is 2606245417. The next prime is 2606245451. The reversal of 2606245439 is 9345426062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2606245439 - 2²⁰ = 2605196863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2606245396 and 2606245405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606245039) 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 3 ways as a sum of consecutive naturals, for example, 186160382 + ... + 186160395.

It is an arithmetic number, because the mean of its divisors is an integer number (744641556).

Almost surely, 2^2606245439 is an apocalyptic number.

2606245439 is a deficient number, since it is larger than the sum of its proper divisors (372320785).

2606245439 is an equidigital number, since it uses as much as digits as its factorization.

2606245439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372320784.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 2606245439 is about 51051.3999710096. The cubic root of 2606245439 is about 1376.1690006096.

The spelling of 2606245439 in words is "two billion, six hundred six million, two hundred forty-five thousand, four hundred thirty-nine".