19713634230 has 64 divisors (see below), whose sum is σ = 48738412800. Its totient is φ = 5100203136.

The previous prime is 19713634211. The next prime is 19713634261. The reversal of 19713634230 is 3243631791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140929 + ... + 243491.

It is an arithmetic number, because the mean of its divisors is an integer number (761537700).

Almost surely, 2^19713634230 is an apocalyptic number.

19713634230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19713634230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24369206400).

19713634230 is an abundant number, since it is smaller than the sum of its proper divisors (29024778570).

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

19713634230 is a wasteful number, since it uses less digits than its factorization.

19713634230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102765.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 19713634230 in words is "nineteen billion, seven hundred thirteen million, six hundred thirty-four thousand, two hundred thirty".