1449905539 has 2 divisors, whose sum is σ = 1449905540. Its totient is φ = 1449905538.

The previous prime is 1449905477. The next prime is 1449905573. The reversal of 1449905539 is 9355099441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1449905539 - 2⁷ = 1449905411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449905492 and 1449905501.

It is not a weakly prime, because it can be changed into another prime (1449905339) 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, 724952769 + 724952770.

It is an arithmetic number, because the mean of its divisors is an integer number (724952770).

Almost surely, 2^1449905539 is an apocalyptic number.

1449905539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449905539 is an equidigital number, since it uses as much as digits as its factorization.

1449905539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 1449905539 is about 38077.6251754229. The cubic root of 1449905539 is about 1131.8266170853.

The spelling of 1449905539 in words is "one billion, four hundred forty-nine million, nine hundred five thousand, five hundred thirty-nine".