2207543439349 has 2 divisors, whose sum is σ = 2207543439350. Its totient is φ = 2207543439348.

The previous prime is 2207543439329. The next prime is 2207543439391. The reversal of 2207543439349 is 9439343457022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1891257552900 + 316285886449 = 1375230^2 + 562393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207543439349 - 2⁷ = 2207543439221 is a prime.

It is a super-2 number, since 2×2207543439349² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2207543439349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207543439329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103771719674 + 1103771719675.

It is an arithmetic number, because the mean of its divisors is an integer number (1103771719675).

Almost surely, 2^{2207543439349} is an apocalyptic number.

It is an amenable number.

2207543439349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207543439349 is an equidigital number, since it uses as much as digits as its factorization.

2207543439349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 2207543439349 in words is "two trillion, two hundred seven billion, five hundred forty-three million, four hundred thirty-nine thousand, three hundred forty-nine".