2205317946709 has 2 divisors, whose sum is σ = 2205317946710. Its totient is φ = 2205317946708.

The previous prime is 2205317946677. The next prime is 2205317946737. The reversal of 2205317946709 is 9076497135022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1536414788484 + 668903158225 = 1239522^2 + 817865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205317946709 - 2⁵ = 2205317946677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205317946709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205317946749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102658973354 + 1102658973355.

It is an arithmetic number, because the mean of its divisors is an integer number (1102658973355).

Almost surely, 2^{2205317946709} is an apocalyptic number.

It is an amenable number.

2205317946709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205317946709 is an equidigital number, since it uses as much as digits as its factorization.

2205317946709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 2205317946709 in words is "two trillion, two hundred five billion, three hundred seventeen million, nine hundred forty-six thousand, seven hundred nine".