19693070224 has 15 divisors (see below), whose sum is σ = 38156411163. Its totient is φ = 9846254448.

The previous prime is 19693070213. The next prime is 19693070231. The reversal of 19693070224 is 42207039691.

The square root of 19693070224 is 140332.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 543787 + ... + 578869.

Almost surely, 2^19693070224 is an apocalyptic number.

19693070224 is the 140332-nd square number.

It is an amenable number.

19693070224 is a deficient number, since it is larger than the sum of its proper divisors (18463340939).

19693070224 is an frugal number, since it uses more digits than its factorization.

19693070224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70174 (or 35085 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 19693070224 in words is "nineteen billion, six hundred ninety-three million, seventy thousand, two hundred twenty-four".