19381662230 has 32 divisors (see below), whose sum is σ = 40138459200. Its totient is φ = 6600539520.

The previous prime is 19381662227. The next prime is 19381662281. The reversal of 19381662230 is 3226618391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918701 + ... + 939560.

It is an arithmetic number, because the mean of its divisors is an integer number (1254326850).

Almost surely, 2^19381662230 is an apocalyptic number.

19381662230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19381662230 is an abundant number, since it is smaller than the sum of its proper divisors (20756796970).

19381662230 is a wasteful number, since it uses less digits than its factorization.

19381662230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858424.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 19381662230 in words is "nineteen billion, three hundred eighty-one million, six hundred sixty-two thousand, two hundred thirty".