19371945880033 has 2 divisors, whose sum is σ = 19371945880034. Its totient is φ = 19371945880032.

The previous prime is 19371945879991. The next prime is 19371945880037. The reversal of 19371945880033 is 33008854917391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15077634638049 + 4294311241984 = 3882993^2 + 2072272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19371945880033 is a prime.

It is not a weakly prime, because it can be changed into another prime (19371945880037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9685972940016 + 9685972940017.

It is an arithmetic number, because the mean of its divisors is an integer number (9685972940017).

Almost surely, 2^{19371945880033} is an apocalyptic number.

It is an amenable number.

19371945880033 is a deficient number, since it is larger than the sum of its proper divisors (1).

19371945880033 is an equidigital number, since it uses as much as digits as its factorization.

19371945880033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 19371945880033 in words is "nineteen trillion, three hundred seventy-one billion, nine hundred forty-five million, eight hundred eighty thousand, thirty-three".