19053270673 has 4 divisors (see below), whose sum is σ = 19063851748. Its totient is φ = 19042689600.

The previous prime is 19053270641. The next prime is 19053270703. The reversal of 19053270673 is 37607235091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37607235091 = 132169 ⋅284539.

It can be written as a sum of positive squares in 2 ways, for example, as 992061009 + 18061209664 = 31497^2 + 134392^2 .

It is a cyclic number.

It is not a de Polignac number, because 19053270673 - 2⁵ = 19053270641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19053270073) 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 3 ways as a sum of consecutive naturals, for example, 5287836 + ... + 5291437.

It is an arithmetic number, because the mean of its divisors is an integer number (4765962937).

Almost surely, 2^19053270673 is an apocalyptic number.

It is an amenable number.

19053270673 is a deficient number, since it is larger than the sum of its proper divisors (10581075).

19053270673 is a wasteful number, since it uses less digits than its factorization.

19053270673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581074.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 19053270673 in words is "nineteen billion, fifty-three million, two hundred seventy thousand, six hundred seventy-three".