19052595794 has 4 divisors (see below), whose sum is σ = 28578893694. Its totient is φ = 9526297896.

The previous prime is 19052595673. The next prime is 19052595797. The reversal of 19052595794 is 49759525091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49759525091 = 3221 ⋅15448471.

It can be written as a sum of positive squares in only one way, i.e., 17460186769 + 1592409025 = 132137^2 + 39905^2 .

It is not an unprimeable number, because it can be changed into a prime (19052595797) 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 as a sum of consecutive naturals, namely, 4763148947 + ... + 4763148950.

Almost surely, 2^19052595794 is an apocalyptic number.

19052595794 is a deficient number, since it is larger than the sum of its proper divisors (9526297900).

19052595794 is an equidigital number, since it uses as much as digits as its factorization.

19052595794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526297899.

The product of its (nonzero) digits is 5103000, while the sum is 56.

The spelling of 19052595794 in words is "nineteen billion, fifty-two million, five hundred ninety-five thousand, seven hundred ninety-four".