19052336728 has 8 divisors (see below), whose sum is σ = 35723131380. Its totient is φ = 9526168360.

The previous prime is 19052336689. The next prime is 19052336873. The reversal of 19052336728 is 82763325091.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190771038 + ... + 1190771053.

Almost surely, 2^19052336728 is an apocalyptic number.

It is an amenable number.

19052336728 is a deficient number, since it is larger than the sum of its proper divisors (16670794652).

19052336728 is a wasteful number, since it uses less digits than its factorization.

19052336728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381542097 (or 2381542093 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 19052336728 in words is "nineteen billion, fifty-two million, three hundred thirty-six thousand, seven hundred twenty-eight".