19138788573 has 16 divisors (see below), whose sum is σ = 25960435200. Its totient is φ = 12538326320.

The previous prime is 19138788541. The next prime is 19138788611. The reversal of 19138788573 is 37588783191.

It is a cyclic number.

It is not a de Polignac number, because 19138788573 - 2⁵ = 19138788541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19138788523) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 501808 + ... + 538598.

It is an arithmetic number, because the mean of its divisors is an integer number (1622527200).

Almost surely, 2^19138788573 is an apocalyptic number.

It is an amenable number.

19138788573 is a deficient number, since it is larger than the sum of its proper divisors (6821646627).

19138788573 is a wasteful number, since it uses less digits than its factorization.

19138788573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39792.

The product of its digits is 10160640, while the sum is 60.

The spelling of 19138788573 in words is "nineteen billion, one hundred thirty-eight million, seven hundred eighty-eight thousand, five hundred seventy-three".