30909686225 has 24 divisors (see below), whose sum is σ = 42942453888. Its totient is φ = 21872203200.

The previous prime is 30909686179. The next prime is 30909686237. The reversal of 30909686225 is 52268690903.

It is not a de Polignac number, because 30909686225 - 2⁸ = 30909685969 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 1508729 + ... + 1529078.

It is an arithmetic number, because the mean of its divisors is an integer number (1789268912).

Almost surely, 2^30909686225 is an apocalyptic number.

It is an amenable number.

30909686225 is a deficient number, since it is larger than the sum of its proper divisors (12032767663).

30909686225 is a wasteful number, since it uses less digits than its factorization.

30909686225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037865 (or 3037860 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 30909686225 in words is "thirty billion, nine hundred nine million, six hundred eighty-six thousand, two hundred twenty-five".