30668361609 has 8 divisors (see below), whose sum is σ = 40907014560. Its totient is φ = 20437641536.

The previous prime is 30668361599. The next prime is 30668361613. The reversal of 30668361609 is 90616386603.

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

It is a cyclic number.

It is not a de Polignac number, because 30668361609 - 2¹² = 30668357513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30668361629) 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 7 ways as a sum of consecutive naturals, for example, 1974192 + ... + 1989665.

It is an arithmetic number, because the mean of its divisors is an integer number (5113376820).

Almost surely, 2^30668361609 is an apocalyptic number.

It is an amenable number.

30668361609 is a deficient number, since it is larger than the sum of its proper divisors (10238652951).

30668361609 is a wasteful number, since it uses less digits than its factorization.

30668361609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966439.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 30668361609 in words is "thirty billion, six hundred sixty-eight million, three hundred sixty-one thousand, six hundred nine".