3243189196817 has 2 divisors, whose sum is σ = 3243189196818. Its totient is φ = 3243189196816.

The previous prime is 3243189196789. The next prime is 3243189196823. The reversal of 3243189196817 is 7186919813423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2836533008401 + 406656188416 = 1684201^2 + 637696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243189196817 - 2⁸ = 3243189196561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3243189196817.

It is not a weakly prime, because it can be changed into another prime (3243189196837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621594598408 + 1621594598409.

It is an arithmetic number, because the mean of its divisors is an integer number (1621594598409).

Almost surely, 2^{3243189196817} is an apocalyptic number.

It is an amenable number.

3243189196817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243189196817 is an equidigital number, since it uses as much as digits as its factorization.

3243189196817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The spelling of 3243189196817 in words is "three trillion, two hundred forty-three billion, one hundred eighty-nine million, one hundred ninety-six thousand, eight hundred seventeen".