2207543439361 has 16 divisors (see below), whose sum is σ = 2517252066000. Its totient is φ = 1917825251328.

The previous prime is 2207543439349. The next prime is 2207543439391. The reversal of 2207543439361 is 1639343457022.

It can be written as a sum of positive squares in 8 ways, for example, as 1483790400 + 2206059648961 = 38520^2 + 1485281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207543439361 - 2⁵ = 2207543439329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2207543439391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15742525 + ... + 15882133.

It is an arithmetic number, because the mean of its divisors is an integer number (157328254125).

Almost surely, 2^{2207543439361} is an apocalyptic number.

It is an amenable number.

2207543439361 is a deficient number, since it is larger than the sum of its proper divisors (309708626639).

2207543439361 is a wasteful number, since it uses less digits than its factorization.

2207543439361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211188.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 2207543439361 in words is "two trillion, two hundred seven billion, five hundred forty-three million, four hundred thirty-nine thousand, three hundred sixty-one".