19305792930 has 16 divisors (see below), whose sum is σ = 46333903104. Its totient is φ = 5148211440.

The previous prime is 19305792929. The next prime is 19305792937. The reversal of 19305792930 is 3929750391.

It is a self number, because there is not a number n which added to its sum of digits gives 19305792930.

It is not an unprimeable number, because it can be changed into a prime (19305792937) 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, 321763186 + ... + 321763245.

It is an arithmetic number, because the mean of its divisors is an integer number (2895868944).

Almost surely, 2^19305792930 is an apocalyptic number.

19305792930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19305792930 is an abundant number, since it is smaller than the sum of its proper divisors (27028110174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19305792930 is a wasteful number, since it uses less digits than its factorization.

19305792930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643526441.

The product of its (nonzero) digits is 459270, while the sum is 48.

The spelling of 19305792930 in words is "nineteen billion, three hundred five million, seven hundred ninety-two thousand, nine hundred thirty".