30209575947 has 8 divisors (see below), whose sum is σ = 41039424144. Its totient is φ = 19759722528.

The previous prime is 30209575937. The next prime is 30209575961. The reversal of 30209575947 is 74957590203.

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

It is not a de Polignac number, because 30209575947 - 2¹¹ = 30209573899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30209575947.

It is not an unprimeable number, because it can be changed into a prime (30209575937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94998508 + ... + 94998825.

It is an arithmetic number, because the mean of its divisors is an integer number (5129928018).

Almost surely, 2^30209575947 is an apocalyptic number.

30209575947 is a deficient number, since it is larger than the sum of its proper divisors (10829848197).

30209575947 is a wasteful number, since it uses less digits than its factorization.

30209575947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189997389.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 30209575947 in words is "thirty billion, two hundred nine million, five hundred seventy-five thousand, nine hundred forty-seven".