1105744489 has 2 divisors, whose sum is σ = 1105744490. Its totient is φ = 1105744488.

The previous prime is 1105744421. The next prime is 1105744511. The reversal of 1105744489 is 9844475011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978438400 + 127306089 = 31280^2 + 11283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105744489 - 2¹⁵ = 1105711721 is a prime.

It is a super-2 number, since 2×1105744489² = 2445341749907742242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1105744589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552872244 + 552872245.

It is an arithmetic number, because the mean of its divisors is an integer number (552872245).

Almost surely, 2^1105744489 is an apocalyptic number.

It is an amenable number.

1105744489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105744489 is an equidigital number, since it uses as much as digits as its factorization.

1105744489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1105744489 is about 33252.7365640785. The cubic root of 1105744489 is about 1034.0739424491.

The spelling of 1105744489 in words is "one billion, one hundred five million, seven hundred forty-four thousand, four hundred eighty-nine".