19057873051 has 4 divisors (see below), whose sum is σ = 21780426352. Its totient is φ = 16335319752.

The previous prime is 19057873033. The next prime is 19057873061. The reversal of 19057873051 is 15037875091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15037875091 = 613 ⋅24531607.

It is a cyclic number.

It is not a de Polignac number, because 19057873051 - 2⁵ = 19057873019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19057872992 and 19057873010.

It is not an unprimeable number, because it can be changed into a prime (19057873061) 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 3 ways as a sum of consecutive naturals, for example, 1361276640 + ... + 1361276653.

It is an arithmetic number, because the mean of its divisors is an integer number (5445106588).

Almost surely, 2^19057873051 is an apocalyptic number.

19057873051 is a deficient number, since it is larger than the sum of its proper divisors (2722553301).

19057873051 is an equidigital number, since it uses as much as digits as its factorization.

19057873051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722553300.

The product of its (nonzero) digits is 264600, while the sum is 46.

The spelling of 19057873051 in words is "nineteen billion, fifty-seven million, eight hundred seventy-three thousand, fifty-one".