19545224942 has 8 divisors (see below), whose sum is σ = 29318561832. Its totient is φ = 9772371000.

The previous prime is 19545224939. The next prime is 19545224971. The reversal of 19545224942 is 24942254591.

19545224942 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7817 + ... + 197867.

It is an arithmetic number, because the mean of its divisors is an integer number (3664820229).

Almost surely, 2^19545224942 is an apocalyptic number.

19545224942 is a deficient number, since it is larger than the sum of its proper divisors (9773336890).

19545224942 is a wasteful number, since it uses less digits than its factorization.

19545224942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241474.

The product of its digits is 1036800, while the sum is 47.

The spelling of 19545224942 in words is "nineteen billion, five hundred forty-five million, two hundred twenty-four thousand, nine hundred forty-two".