19418660204 has 6 divisors (see below), whose sum is σ = 33982655364. Its totient is φ = 9709330100.

The previous prime is 19418660141. The next prime is 19418660251. The reversal of 19418660204 is 40206681491.

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 as a sum of consecutive naturals, namely, 2427332522 + ... + 2427332529.

It is an arithmetic number, because the mean of its divisors is an integer number (5663775894).

Almost surely, 2^19418660204 is an apocalyptic number.

It is an amenable number.

19418660204 is a deficient number, since it is larger than the sum of its proper divisors (14563995160).

19418660204 is a wasteful number, since it uses less digits than its factorization.

19418660204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854665055 (or 4854665053 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 19418660204 in words is "nineteen billion, four hundred eighteen million, six hundred sixty thousand, two hundred four".