17471473993 has 2 divisors, whose sum is σ = 17471473994. Its totient is φ = 17471473992.

The previous prime is 17471473933. The next prime is 17471474051. The reversal of 17471473993 is 39937417471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17058449664 + 413024329 = 130608^2 + 20323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17471473993 is a prime.

It is not a weakly prime, because it can be changed into another prime (17471473913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8735736996 + 8735736997.

It is an arithmetic number, because the mean of its divisors is an integer number (8735736997).

Almost surely, 2^17471473993 is an apocalyptic number.

It is an amenable number.

17471473993 is a deficient number, since it is larger than the sum of its proper divisors (1).

17471473993 is an equidigital number, since it uses as much as digits as its factorization.

17471473993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 55.

The spelling of 17471473993 in words is "seventeen billion, four hundred seventy-one million, four hundred seventy-three thousand, nine hundred ninety-three".