19228737742 has 16 divisors (see below), whose sum is σ = 29395951200. Its totient is φ = 9431834400.

The previous prime is 19228737733. The next prime is 19228737761. The reversal of 19228737742 is 24773782291.

It is a self number, because there is not a number n which added to its sum of digits gives 19228737742.

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 7 ways as a sum of consecutive naturals, for example, 414642 + ... + 458677.

It is an arithmetic number, because the mean of its divisors is an integer number (1837246950).

Almost surely, 2^19228737742 is an apocalyptic number.

19228737742 is a deficient number, since it is larger than the sum of its proper divisors (10167213458).

19228737742 is a wasteful number, since it uses less digits than its factorization.

19228737742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873531.

The product of its digits is 2370816, while the sum is 52.

The spelling of 19228737742 in words is "nineteen billion, two hundred twenty-eight million, seven hundred thirty-seven thousand, seven hundred forty-two".