30928572146 has 8 divisors (see below), whose sum is σ = 46448156160. Its totient is φ = 15445853428.

The previous prime is 30928572139. The next prime is 30928572161. The reversal of 30928572146 is 64127582903.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30928572146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9214226 + ... + 9217581.

It is an arithmetic number, because the mean of its divisors is an integer number (5806019520).

It is a 1-persistent number, because it is pandigital, but 2⋅30928572146 = 61857144292 is not.

Almost surely, 2^30928572146 is an apocalyptic number.

30928572146 is a deficient number, since it is larger than the sum of its proper divisors (15519584014).

30928572146 is a wasteful number, since it uses less digits than its factorization.

30928572146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432648.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 30928572146 in words is "thirty billion, nine hundred twenty-eight million, five hundred seventy-two thousand, one hundred forty-six".