19053119053 has 4 divisors (see below), whose sum is σ = 20173890780. Its totient is φ = 17932347328.

The previous prime is 19053119023. The next prime is 19053119069. The reversal of 19053119053 is 35091135091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13834934884 + 5218184169 = 117622^2 + 72237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19053119053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19053119023) 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, 560385838 + ... + 560385871.

It is an arithmetic number, because the mean of its divisors is an integer number (5043472695).

Almost surely, 2^19053119053 is an apocalyptic number.

It is an amenable number.

19053119053 is a deficient number, since it is larger than the sum of its proper divisors (1120771727).

19053119053 is a wasteful number, since it uses less digits than its factorization.

19053119053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120771726.

The product of its (nonzero) digits is 18225, while the sum is 37.

The spelling of 19053119053 in words is "nineteen billion, fifty-three million, one hundred nineteen thousand, fifty-three".