1449275617 has 2 divisors, whose sum is σ = 1449275618. Its totient is φ = 1449275616.

The previous prime is 1449275573. The next prime is 1449275621. The reversal of 1449275617 is 7165729441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003052241 + 446223376 = 31671^2 + 21124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449275617 - 2⁷ = 1449275489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1449275627) 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, 724637808 + 724637809.

It is an arithmetic number, because the mean of its divisors is an integer number (724637809).

Almost surely, 2^1449275617 is an apocalyptic number.

It is an amenable number.

1449275617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449275617 is an equidigital number, since it uses as much as digits as its factorization.

1449275617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 1449275617 is about 38069.3527263073. The cubic root of 1449275617 is about 1131.6626832422.

It can be divided in two parts, 144927 and 5617, that added together give a square (150544 = 388²).

The spelling of 1449275617 in words is "one billion, four hundred forty-nine million, two hundred seventy-five thousand, six hundred seventeen".