19128853 has 2 divisors, whose sum is σ = 19128854. Its totient is φ = 19128852.

The previous prime is 19128817. The next prime is 19128871. The reversal of 19128853 is 35882191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 9381969 = 3122^2 + 3063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19128853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19128353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9564426 + 9564427.

It is an arithmetic number, because the mean of its divisors is an integer number (9564427).

Almost surely, 2^19128853 is an apocalyptic number.

It is an amenable number.

19128853 is a deficient number, since it is larger than the sum of its proper divisors (1).

19128853 is an equidigital number, since it uses as much as digits as its factorization.

19128853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 19128853 is about 4373.6544216479. The cubic root of 19128853 is about 267.4420196345.

The spelling of 19128853 in words is "nineteen million, one hundred twenty-eight thousand, eight hundred fifty-three".