2243444102437 has 2 divisors, whose sum is σ = 2243444102438. Its totient is φ = 2243444102436.

The previous prime is 2243444102401. The next prime is 2243444102461. The reversal of 2243444102437 is 7342014443422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2174943603361 + 68500499076 = 1474769^2 + 261726^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243444102437 - 2³¹ = 2241296618789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243444102437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243444106437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121722051218 + 1121722051219.

It is an arithmetic number, because the mean of its divisors is an integer number (1121722051219).

Almost surely, 2^{2243444102437} is an apocalyptic number.

It is an amenable number.

2243444102437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243444102437 is an equidigital number, since it uses as much as digits as its factorization.

2243444102437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 40.

Adding to 2243444102437 its reverse (7342014443422), we get a palindrome (9585458545859).

The spelling of 2243444102437 in words is "two trillion, two hundred forty-three billion, four hundred forty-four million, one hundred two thousand, four hundred thirty-seven".