3646426647 has 16 divisors (see below), whose sum is σ = 5096060928. Its totient is φ = 2314820640.

The previous prime is 3646426639. The next prime is 3646426669. The reversal of 3646426647 is 7466246463.

3646426647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3646426647 - 2³ = 3646426639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3646426596 and 3646426605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646426607) 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, 103104 + ... + 133877.

It is an arithmetic number, because the mean of its divisors is an integer number (318503808).

Almost surely, 2^3646426647 is an apocalyptic number.

3646426647 is a deficient number, since it is larger than the sum of its proper divisors (1449634281).

3646426647 is a wasteful number, since it uses less digits than its factorization.

3646426647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237230.

The product of its digits is 3483648, while the sum is 48.

The square root of 3646426647 is about 60385.6493465128. The cubic root of 3646426647 is about 1539.1791103504.

The spelling of 3646426647 in words is "three billion, six hundred forty-six million, four hundred twenty-six thousand, six hundred forty-seven".