19434241698 has 16 divisors (see below), whose sum is σ = 38874670176. Its totient is φ = 6477049440.

The previous prime is 19434241669. The next prime is 19434241709. The reversal of 19434241698 is 89614243491.

It is a self number, because there is not a number n which added to its sum of digits gives 19434241698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216436 + ... + 292767.

It is an arithmetic number, because the mean of its divisors is an integer number (2429666886).

Almost surely, 2^19434241698 is an apocalyptic number.

19434241698 is an abundant number, since it is smaller than the sum of its proper divisors (19440428478).

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

19434241698 is a wasteful number, since it uses less digits than its factorization.

19434241698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515569.

The product of its digits is 1492992, while the sum is 51.

The spelling of 19434241698 in words is "nineteen billion, four hundred thirty-four million, two hundred forty-one thousand, six hundred ninety-eight".