17349789997 has 2 divisors, whose sum is σ = 17349789998. Its totient is φ = 17349789996.

The previous prime is 17349789971. The next prime is 17349790001. The reversal of 17349789997 is 79998794371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17348577796 + 1212201 = 131714^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 17349789997 - 2⁷ = 17349789869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17349789497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8674894998 + 8674894999.

It is an arithmetic number, because the mean of its divisors is an integer number (8674894999).

Almost surely, 2^17349789997 is an apocalyptic number.

It is an amenable number.

17349789997 is a deficient number, since it is larger than the sum of its proper divisors (1).

17349789997 is an equidigital number, since it uses as much as digits as its factorization.

17349789997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216040608, while the sum is 73.

The spelling of 17349789997 in words is "seventeen billion, three hundred forty-nine million, seven hundred eighty-nine thousand, nine hundred ninety-seven".