19752683218 has 16 divisors (see below), whose sum is σ = 30322147680. Its totient is φ = 9645362496.

The previous prime is 19752683191. The next prime is 19752683227. The reversal of 19752683218 is 81238625791.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065553 + ... + 1083931.

It is an arithmetic number, because the mean of its divisors is an integer number (1895134230).

Almost surely, 2^19752683218 is an apocalyptic number.

19752683218 is a deficient number, since it is larger than the sum of its proper divisors (10569464462).

19752683218 is a wasteful number, since it uses less digits than its factorization.

19752683218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921.

The product of its digits is 1451520, while the sum is 52.

The spelling of 19752683218 in words is "nineteen billion, seven hundred fifty-two million, six hundred eighty-three thousand, two hundred eighteen".