19341340868 has 6 divisors (see below), whose sum is σ = 33847346526. Its totient is φ = 9670670432.

The previous prime is 19341340859. The next prime is 19341340901. The reversal of 19341340868 is 86804314391.

It can be written as a sum of positive squares in only one way, i.e., 15754768324 + 3586572544 = 125518^2 + 59888^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417667605 + ... + 2417667612.

It is an arithmetic number, because the mean of its divisors is an integer number (5641224421).

Almost surely, 2^19341340868 is an apocalyptic number.

It is an amenable number.

19341340868 is a deficient number, since it is larger than the sum of its proper divisors (14506005658).

19341340868 is a wasteful number, since it uses less digits than its factorization.

19341340868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835335221 (or 4835335219 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 19341340868 in words is "nineteen billion, three hundred forty-one million, three hundred forty thousand, eight hundred sixty-eight".