2243444102461 has 2 divisors, whose sum is σ = 2243444102462. Its totient is φ = 2243444102460.

The previous prime is 2243444102437. The next prime is 2243444102483. The reversal of 2243444102461 is 1642014443422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947936619225 + 295507483236 = 1395685^2 + 543606^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243444102461 - 2¹⁵ = 2243444069693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243444102461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243444102401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121722051230 + 1121722051231.

It is an arithmetic number, because the mean of its divisors is an integer number (1121722051231).

Almost surely, 2^{2243444102461} is an apocalyptic number.

It is an amenable number.

2243444102461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243444102461 is an equidigital number, since it uses as much as digits as its factorization.

2243444102461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 2243444102461 its reverse (1642014443422), we get a palindrome (3885458545883).

The spelling of 2243444102461 in words is "two trillion, two hundred forty-three billion, four hundred forty-four million, one hundred two thousand, four hundred sixty-one".