2173053734717 has 2 divisors, whose sum is σ = 2173053734718. Its totient is φ = 2173053734716.

The previous prime is 2173053734711. The next prime is 2173053734767. The reversal of 2173053734717 is 7174373503712.

It is an a-pointer prime, because the next prime (2173053734767) can be obtained adding 2173053734717 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172295591076 + 1000758143641 = 1082726^2 + 1000379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173053734717 - 2⁶ = 2173053734653 is a prime.

It is a super-2 number, since 2×2173053734717² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173053734711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086526867358 + 1086526867359.

It is an arithmetic number, because the mean of its divisors is an integer number (1086526867359).

Almost surely, 2^{2173053734717} is an apocalyptic number.

It is an amenable number.

2173053734717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173053734717 is an equidigital number, since it uses as much as digits as its factorization.

2173053734717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 2173053734717 in words is "two trillion, one hundred seventy-three billion, fifty-three million, seven hundred thirty-four thousand, seven hundred seventeen".