97740901248173 has 2 divisors, whose sum is σ = 97740901248174. Its totient is φ = 97740901248172.

The previous prime is 97740901248079. The next prime is 97740901248257. The reversal of 97740901248173 is 37184210904779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60009145354249 + 37731755893924 = 7746557^2 + 6142618^2 .

It is a cyclic number.

It is not a de Polignac number, because 97740901248173 - 2¹⁴ = 97740901231789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97740901248073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48870450624086 + 48870450624087.

It is an arithmetic number, because the mean of its divisors is an integer number (48870450624087).

Almost surely, 2^{97740901248173} is an apocalyptic number.

It is an amenable number.

97740901248173 is a deficient number, since it is larger than the sum of its proper divisors (1).

97740901248173 is an equidigital number, since it uses as much as digits as its factorization.

97740901248173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 97740901248173 in words is "ninety-seven trillion, seven hundred forty billion, nine hundred one million, two hundred forty-eight thousand, one hundred seventy-three".