1449653617 has 2 divisors, whose sum is σ = 1449653618. Its totient is φ = 1449653616.

The previous prime is 1449653587. The next prime is 1449653701. The reversal of 1449653617 is 7163569441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931226256 + 518427361 = 30516^2 + 22769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449653617 is a prime.

It is a super-3 number, since 3×1449653617³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1449653417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724826808 + 724826809.

It is an arithmetic number, because the mean of its divisors is an integer number (724826809).

Almost surely, 2^1449653617 is an apocalyptic number.

It is an amenable number.

1449653617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449653617 is an equidigital number, since it uses as much as digits as its factorization.

1449653617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 1449653617 is about 38074.3170260479. The cubic root of 1449653617 is about 1131.7610614260.

The spelling of 1449653617 in words is "one billion, four hundred forty-nine million, six hundred fifty-three thousand, six hundred seventeen".