17313994927 has 2 divisors, whose sum is σ = 17313994928. Its totient is φ = 17313994926.

The previous prime is 17313994909. The next prime is 17313994931. The reversal of 17313994927 is 72949931371.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17313994927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17313994987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656997463 + 8656997464.

It is an arithmetic number, because the mean of its divisors is an integer number (8656997464).

Almost surely, 2^17313994927 is an apocalyptic number.

17313994927 is a deficient number, since it is larger than the sum of its proper divisors (1).

17313994927 is an equidigital number, since it uses as much as digits as its factorization.

17313994927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The spelling of 17313994927 in words is "seventeen billion, three hundred thirteen million, nine hundred ninety-four thousand, nine hundred twenty-seven".