19645030230 has 32 divisors (see below), whose sum is σ = 53883512064. Its totient is φ = 4490292576.

The previous prime is 19645030211. The next prime is 19645030241. The reversal of 19645030230 is 3203054691.

It is a super-2 number, since 2×19645030230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19645030191 and 19645030200.

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, 46773672 + ... + 46774091.

It is an arithmetic number, because the mean of its divisors is an integer number (1683859752).

Almost surely, 2^19645030230 is an apocalyptic number.

19645030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19645030230 is an abundant number, since it is smaller than the sum of its proper divisors (34238481834).

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

19645030230 is a wasteful number, since it uses less digits than its factorization.

19645030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93547780.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 19645030230 in words is "nineteen billion, six hundred forty-five million, thirty thousand, two hundred thirty".