19473933533113 has 2 divisors, whose sum is σ = 19473933533114. Its totient is φ = 19473933533112.

The previous prime is 19473933533111. The next prime is 19473933533143. The reversal of 19473933533113 is 31133533937491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14807434929849 + 4666498603264 = 3848043^2 + 2160208^2 .

It is a cyclic number.

It is not a de Polignac number, because 19473933533113 - 2¹ = 19473933533111 is a prime.

Together with 19473933533111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19473933533111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9736966766556 + 9736966766557.

It is an arithmetic number, because the mean of its divisors is an integer number (9736966766557).

Almost surely, 2^{19473933533113} is an apocalyptic number.

It is an amenable number.

19473933533113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19473933533113 is an equidigital number, since it uses as much as digits as its factorization.

19473933533113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 55.

The spelling of 19473933533113 in words is "nineteen trillion, four hundred seventy-three billion, nine hundred thirty-three million, five hundred thirty-three thousand, one hundred thirteen".