2208943379273 has 2 divisors, whose sum is σ = 2208943379274. Its totient is φ = 2208943379272.

The previous prime is 2208943379257. The next prime is 2208943379327. The reversal of 2208943379273 is 3729733498022.

It is a happy number.

Together with next prime (2208943379327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016093291664 + 192850087609 = 1419892^2 + 439147^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208943379273 - 2⁴ = 2208943379257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2208943379233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104471689636 + 1104471689637.

It is an arithmetic number, because the mean of its divisors is an integer number (1104471689637).

Almost surely, 2^{2208943379273} is an apocalyptic number.

It is an amenable number.

2208943379273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208943379273 is an equidigital number, since it uses as much as digits as its factorization.

2208943379273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 2208943379273 in words is "two trillion, two hundred eight billion, nine hundred forty-three million, three hundred seventy-nine thousand, two hundred seventy-three".