17623265709097 has 2 divisors, whose sum is σ = 17623265709098. Its totient is φ = 17623265709096.

The previous prime is 17623265709047. The next prime is 17623265709103. The reversal of 17623265709097 is 79090756232671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14726475325081 + 2896790384016 = 3837509^2 + 1701996^2 .

It is a cyclic number.

It is not a de Polignac number, because 17623265709097 - 2²⁷ = 17623131491369 is a prime.

It is not a weakly prime, because it can be changed into another prime (17623265709047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8811632854548 + 8811632854549.

It is an arithmetic number, because the mean of its divisors is an integer number (8811632854549).

Almost surely, 2^{17623265709097} is an apocalyptic number.

It is an amenable number.

17623265709097 is a deficient number, since it is larger than the sum of its proper divisors (1).

17623265709097 is an equidigital number, since it uses as much as digits as its factorization.

17623265709097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60011280, while the sum is 64.

The spelling of 17623265709097 in words is "seventeen trillion, six hundred twenty-three billion, two hundred sixty-five million, seven hundred nine thousand, ninety-seven".