30299999947 has 4 divisors (see below), whose sum is σ = 34628571376. Its totient is φ = 25971428520.

The previous prime is 30299999839. The next prime is 30299999987. The reversal of 30299999947 is 74999999203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30299999947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30299999987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2164285704 + ... + 2164285717.

It is an arithmetic number, because the mean of its divisors is an integer number (8657142844).

Almost surely, 2^30299999947 is an apocalyptic number.

30299999947 is a deficient number, since it is larger than the sum of its proper divisors (4328571429).

30299999947 is an equidigital number, since it uses as much as digits as its factorization.

30299999947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328571428.

The product of its (nonzero) digits is 89282088, while the sum is 70.

The spelling of 30299999947 in words is "thirty billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-seven".