30505082793 has 8 divisors (see below), whose sum is σ = 40677526656. Its totient is φ = 20334680400.

The previous prime is 30505082791. The next prime is 30505082819. The reversal of 30505082793 is 39728050503.

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

It is not a de Polignac number, because 30505082793 - 2¹ = 30505082791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30505082791) 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, 475153 + ... + 535518.

It is an arithmetic number, because the mean of its divisors is an integer number (5084690832).

Almost surely, 2^30505082793 is an apocalyptic number.

It is an amenable number.

30505082793 is a deficient number, since it is larger than the sum of its proper divisors (10172443863).

30505082793 is a wasteful number, since it uses less digits than its factorization.

30505082793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020735.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 30505082793 in words is "thirty billion, five hundred five million, eighty-two thousand, seven hundred ninety-three".