2606406047 has 4 divisors (see below), whose sum is σ = 2978749776. Its totient is φ = 2234062320.

The previous prime is 2606406043. The next prime is 2606406053. The reversal of 2606406047 is 7406046062.

It is a happy number.

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

It is not a de Polignac number, because 2606406047 - 2² = 2606406043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2606405998 and 2606406016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606406041) 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 3 ways as a sum of consecutive naturals, for example, 186171854 + ... + 186171867.

It is an arithmetic number, because the mean of its divisors is an integer number (744687444).

Almost surely, 2^2606406047 is an apocalyptic number.

2606406047 is a deficient number, since it is larger than the sum of its proper divisors (372343729).

2606406047 is an equidigital number, since it uses as much as digits as its factorization.

2606406047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372343728.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2606406047 is about 51052.9729496726. The cubic root of 2606406047 is about 1376.1972685038.

The spelling of 2606406047 in words is "two billion, six hundred six million, four hundred six thousand, forty-seven".