944543122849 has 2 divisors, whose sum is σ = 944543122850. Its totient is φ = 944543122848.

The previous prime is 944543122811. The next prime is 944543122867. The reversal of 944543122849 is 948221345449.

944543122849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939038521600 + 5504601249 = 969040^2 + 74193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944543122849 is a prime.

It is a super-2 number, since 2×944543122849² (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 944543122849.

It is not a weakly prime, because it can be changed into another prime (944543120849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472271561424 + 472271561425.

It is an arithmetic number, because the mean of its divisors is an integer number (472271561425).

Almost surely, 2^944543122849 is an apocalyptic number.

It is an amenable number.

944543122849 is a deficient number, since it is larger than the sum of its proper divisors (1).

944543122849 is an equidigital number, since it uses as much as digits as its factorization.

944543122849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 55.

The spelling of 944543122849 in words is "nine hundred forty-four billion, five hundred forty-three million, one hundred twenty-two thousand, eight hundred forty-nine".