30509864347 has 8 divisors (see below), whose sum is σ = 31228599600. Its totient is φ = 29791547520.

The previous prime is 30509864339. The next prime is 30509864443. The reversal of 30509864347 is 74346890503.

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 30509864347 - 2³ = 30509864339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30509864347.

It is not an unprimeable number, because it can be changed into a prime (30509862347) 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, 45447 + ... + 251167.

It is an arithmetic number, because the mean of its divisors is an integer number (3903574950).

Almost surely, 2^30509864347 is an apocalyptic number.

30509864347 is a deficient number, since it is larger than the sum of its proper divisors (718735253).

30509864347 is a wasteful number, since it uses less digits than its factorization.

30509864347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209213.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 30509864347 in words is "thirty billion, five hundred nine million, eight hundred sixty-four thousand, three hundred forty-seven".