19793325553 has 2 divisors, whose sum is σ = 19793325554. Its totient is φ = 19793325552.

The previous prime is 19793325529. The next prime is 19793325577. The reversal of 19793325553 is 35552339791.

It is a balanced prime because it is at equal distance from previous prime (19793325529) and next prime (19793325577).

It can be written as a sum of positive squares in only one way, i.e., 11938403169 + 7854922384 = 109263^2 + 88628^2 .

It is a cyclic number.

It is not a de Polignac number, because 19793325553 - 2⁵ = 19793325521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19793325553.

It is not a weakly prime, because it can be changed into another prime (19793325593) 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, 9896662776 + 9896662777.

It is an arithmetic number, because the mean of its divisors is an integer number (9896662777).

Almost surely, 2^19793325553 is an apocalyptic number.

It is an amenable number.

19793325553 is a deficient number, since it is larger than the sum of its proper divisors (1).

19793325553 is an equidigital number, since it uses as much as digits as its factorization.

19793325553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3827250, while the sum is 52.

The spelling of 19793325553 in words is "nineteen billion, seven hundred ninety-three million, three hundred twenty-five thousand, five hundred fifty-three".