19273452216 has 16 divisors (see below), whose sum is σ = 48183630600. Its totient is φ = 6424484064.

The previous prime is 19273452203. The next prime is 19273452239. The reversal of 19273452216 is 61225437291.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 401530231 + ... + 401530278.

Almost surely, 2^19273452216 is an apocalyptic number.

It is an amenable number.

19273452216 is an abundant number, since it is smaller than the sum of its proper divisors (28910178384).

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

19273452216 is a wasteful number, since it uses less digits than its factorization.

19273452216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803060518 (or 803060514 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 19273452216 in words is "nineteen billion, two hundred seventy-three million, four hundred fifty-two thousand, two hundred sixteen".