19639060206 has 32 divisors (see below), whose sum is σ = 39843352320. Its totient is φ = 6452270784.

The previous prime is 19639060183. The next prime is 19639060213. The reversal of 19639060206 is 60206093691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661305 + ... + 690363.

It is an arithmetic number, because the mean of its divisors is an integer number (1245104760).

Almost surely, 2^19639060206 is an apocalyptic number.

19639060206 is an abundant number, since it is smaller than the sum of its proper divisors (20204292114).

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

19639060206 is a wasteful number, since it uses less digits than its factorization.

19639060206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30680.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 19639060206 in words is "nineteen billion, six hundred thirty-nine million, sixty thousand, two hundred six".