19868873472059 has 2 divisors, whose sum is σ = 19868873472060. Its totient is φ = 19868873472058.

The previous prime is 19868873471989. The next prime is 19868873472073. The reversal of 19868873472059 is 95027437886891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19868873472059 is a prime.

It is not a weakly prime, because it can be changed into another prime (19868873477059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9934436736029 + 9934436736030.

It is an arithmetic number, because the mean of its divisors is an integer number (9934436736030).

It is a 1-persistent number, because it is pandigital, but 2⋅19868873472059 = 39737746944118 is not.

Almost surely, 2^{19868873472059} is an apocalyptic number.

19868873472059 is a deficient number, since it is larger than the sum of its proper divisors (1).

19868873472059 is an equidigital number, since it uses as much as digits as its factorization.

19868873472059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1463132160, while the sum is 77.

The spelling of 19868873472059 in words is "nineteen trillion, eight hundred sixty-eight billion, eight hundred seventy-three million, four hundred seventy-two thousand, fifty-nine".