19057873005 has 12 divisors (see below), whose sum is σ = 33033646620. Its totient is φ = 10164198912.

The previous prime is 19057872997. The next prime is 19057873019. The reversal of 19057873005 is 50037875091.

19057873005 is a `hidden beast` number, since 1 + 9 + 0 + 578 + 73 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3863119716 + 15194753289 = 62154^2 + 123267^2 .

It is not a de Polignac number, because 19057873005 - 2³ = 19057872997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 423508289 = 19057873005 / (1 + 9 + 0 + 5 + 7 + 8 + 7 + 3 + 0 + 0 + 5).

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 11 ways as a sum of consecutive naturals, for example, 211754100 + ... + 211754189.

It is an arithmetic number, because the mean of its divisors is an integer number (2752803885).

Almost surely, 2^19057873005 is an apocalyptic number.

19057873005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19057873005 is a deficient number, since it is larger than the sum of its proper divisors (13975773615).

19057873005 is a wasteful number, since it uses less digits than its factorization.

19057873005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423508300 (or 423508297 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 19057873005 in words is "nineteen billion, fifty-seven million, eight hundred seventy-three thousand, five".