19206573242 has 32 divisors (see below), whose sum is σ = 31233470400. Its totient is φ = 8822677248.

The previous prime is 19206573233. The next prime is 19206573247. The reversal of 19206573242 is 24237560291.

It is a self number, because there is not a number n which added to its sum of digits gives 19206573242.

It is not an unprimeable number, because it can be changed into a prime (19206573247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3182684 + ... + 3188712.

It is an arithmetic number, because the mean of its divisors is an integer number (976045950).

Almost surely, 2^19206573242 is an apocalyptic number.

19206573242 is a deficient number, since it is larger than the sum of its proper divisors (12026897158).

19206573242 is a wasteful number, since it uses less digits than its factorization.

19206573242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 19206573242 in words is "nineteen billion, two hundred six million, five hundred seventy-three thousand, two hundred forty-two".