19484887418 has 16 divisors (see below), whose sum is σ = 29768168256. Its totient is φ = 9563430240.

The previous prime is 19484887403. The next prime is 19484887421. The reversal of 19484887418 is 81478848491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285446 + ... + 347057.

It is an arithmetic number, because the mean of its divisors is an integer number (1860510516).

Almost surely, 2^19484887418 is an apocalyptic number.

19484887418 is a deficient number, since it is larger than the sum of its proper divisors (10283280838).

19484887418 is a wasteful number, since it uses less digits than its factorization.

19484887418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632789.

The product of its digits is 16515072, while the sum is 62.

The spelling of 19484887418 in words is "nineteen billion, four hundred eighty-four million, eight hundred eighty-seven thousand, four hundred eighteen".