173214709407997 has 2 divisors, whose sum is σ = 173214709407998. Its totient is φ = 173214709407996.

The previous prime is 173214709407979. The next prime is 173214709408133. The reversal of 173214709407997 is 799704907412371.

Together with previous prime (173214709407979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172877635110436 + 337074297561 = 13148294^2 + 580581^2 .

It is an emirp because it is prime and its reverse (799704907412371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173214709407997 - 2¹¹ = 173214709405949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173214709407937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86607354703998 + 86607354703999.

It is an arithmetic number, because the mean of its divisors is an integer number (86607354703999).

Almost surely, 2^{173214709407997} is an apocalyptic number.

It is an amenable number.

173214709407997 is a deficient number, since it is larger than the sum of its proper divisors (1).

173214709407997 is an equidigital number, since it uses as much as digits as its factorization.

173214709407997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168031584, while the sum is 70.

The spelling of 173214709407997 in words is "one hundred seventy-three trillion, two hundred fourteen billion, seven hundred nine million, four hundred seven thousand, nine hundred ninety-seven".