1449024389 has 2 divisors, whose sum is σ = 1449024390. Its totient is φ = 1449024388.

The previous prime is 1449024373. The next prime is 1449024391. The reversal of 1449024389 is 9834209441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327363489 + 121660900 = 36433^2 + 11030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449024389 - 2⁴ = 1449024373 is a prime.

It is a Sophie Germain prime.

Together with 1449024391, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449024329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724512194 + 724512195.

It is an arithmetic number, because the mean of its divisors is an integer number (724512195).

Almost surely, 2^1449024389 is an apocalyptic number.

It is an amenable number.

1449024389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449024389 is an equidigital number, since it uses as much as digits as its factorization.

1449024389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1449024389 is about 38066.0529737455. The cubic root of 1449024389 is about 1131.5972892438.

The spelling of 1449024389 in words is "one billion, four hundred forty-nine million, twenty-four thousand, three hundred eighty-nine".