19674128488033 has 2 divisors, whose sum is σ = 19674128488034. Its totient is φ = 19674128488032.

The previous prime is 19674128488019. The next prime is 19674128488051. The reversal of 19674128488033 is 33088482147691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17288564834304 + 2385563653729 = 4157952^2 + 1544527^2 .

It is a cyclic number.

It is not a de Polignac number, because 19674128488033 - 2²⁵ = 19674094933601 is a prime.

It is not a weakly prime, because it can be changed into another prime (19674128488013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9837064244016 + 9837064244017.

It is an arithmetic number, because the mean of its divisors is an integer number (9837064244017).

Almost surely, 2^{19674128488033} is an apocalyptic number.

It is an amenable number.

19674128488033 is a deficient number, since it is larger than the sum of its proper divisors (1).

19674128488033 is an equidigital number, since it uses as much as digits as its factorization.

19674128488033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 19674128488033 in words is "nineteen trillion, six hundred seventy-four billion, one hundred twenty-eight million, four hundred eighty-eight thousand, thirty-three".