906609223682 has 54 divisors (see below), whose sum is σ = 1444955503131. Its totient is φ = 426589574400.

The previous prime is 906609223643. The next prime is 906609223691. The reversal of 906609223682 is 286322906609.

It can be written as a sum of positive squares in 5 ways, for example, as 905677692241 + 931531441 = 951671^2 + 30521^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=673279.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 2260870682 + ... + 2260871082.

Almost surely, 2^906609223682 is an apocalyptic number.

906609223682 is a deficient number, since it is larger than the sum of its proper divisors (538346279449).

906609223682 is an frugal number, since it uses more digits than its factorization.

906609223682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 906609223682 in words is "nine hundred six billion, six hundred nine million, two hundred twenty-three thousand, six hundred eighty-two".