30684582205 has 16 divisors (see below), whose sum is σ = 37813906944. Its totient is φ = 23890184640.

The previous prime is 30684582179. The next prime is 30684582241. The reversal of 30684582205 is 50228548603.

It is not a de Polignac number, because 30684582205 - 2⁹ = 30684581693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198061 + ... + 317170.

It is an arithmetic number, because the mean of its divisors is an integer number (2363369184).

Almost surely, 2^30684582205 is an apocalyptic number.

It is an amenable number.

30684582205 is a deficient number, since it is larger than the sum of its proper divisors (7129324739).

30684582205 is a wasteful number, since it uses less digits than its factorization.

30684582205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515556.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 30684582205 in words is "thirty billion, six hundred eighty-four million, five hundred eighty-two thousand, two hundred five".