19010635204 has 48 divisors (see below), whose sum is σ = 37042810560. Its totient is φ = 8463749760.

The previous prime is 19010635181. The next prime is 19010635219. The reversal of 19010635204 is 40253601091.

It is a super-2 number, since 2×19010635204² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 705874 + ... + 732310.

It is an arithmetic number, because the mean of its divisors is an integer number (771725220).

Almost surely, 2^19010635204 is an apocalyptic number.

It is an amenable number.

19010635204 is a deficient number, since it is larger than the sum of its proper divisors (18032175356).

19010635204 is a wasteful number, since it uses less digits than its factorization.

19010635204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26788 (or 26786 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 19010635204 in words is "nineteen billion, ten million, six hundred thirty-five thousand, two hundred four".