1049144442889 has 2 divisors, whose sum is σ = 1049144442890. Its totient is φ = 1049144442888.

The previous prime is 1049144442821. The next prime is 1049144442911. The reversal of 1049144442889 is 9882444419401.

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., 839636844489 + 209507598400 = 916317^2 + 457720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049144442889 - 2¹³ = 1049144434697 is a prime.

It is a super-2 number, since 2×1049144442889² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049144442589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524572221444 + 524572221445.

It is an arithmetic number, because the mean of its divisors is an integer number (524572221445).

Almost surely, 2^{1049144442889} is an apocalyptic number.

It is an amenable number.

1049144442889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049144442889 is an equidigital number, since it uses as much as digits as its factorization.

1049144442889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 1049144442889 in words is "one trillion, forty-nine billion, one hundred forty-four million, four hundred forty-two thousand, eight hundred eighty-nine".