30748513209 has 8 divisors (see below), whose sum is σ = 41022766560. Its totient is φ = 20486634336.

The previous prime is 30748513199. The next prime is 30748513253. The reversal of 30748513209 is 90231584703.

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

It is not a de Polignac number, because 30748513209 - 2⁵ = 30748513177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30748513109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087819 + ... + 3097760.

It is an arithmetic number, because the mean of its divisors is an integer number (5127845820).

Almost surely, 2^30748513209 is an apocalyptic number.

It is an amenable number.

30748513209 is a deficient number, since it is larger than the sum of its proper divisors (10274253351).

30748513209 is a wasteful number, since it uses less digits than its factorization.

30748513209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187239.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 30748513209 in words is "thirty billion, seven hundred forty-eight million, five hundred thirteen thousand, two hundred nine".