17210245360493 has 2 divisors, whose sum is σ = 17210245360494. Its totient is φ = 17210245360492.

The previous prime is 17210245360421. The next prime is 17210245360507. The reversal of 17210245360493 is 39406354201271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11845587994564 + 5364657365929 = 3441742^2 + 2316173^2 .

It is a cyclic number.

It is not a de Polignac number, because 17210245360493 - 2¹⁸ = 17210245098349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17210245360403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8605122680246 + 8605122680247.

It is an arithmetic number, because the mean of its divisors is an integer number (8605122680247).

Almost surely, 2^{17210245360493} is an apocalyptic number.

It is an amenable number.

17210245360493 is a deficient number, since it is larger than the sum of its proper divisors (1).

17210245360493 is an equidigital number, since it uses as much as digits as its factorization.

17210245360493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 17210245360493 in words is "seventeen trillion, two hundred ten billion, two hundred forty-five million, three hundred sixty thousand, four hundred ninety-three".