1065963449 has 2 divisors, whose sum is σ = 1065963450. Its totient is φ = 1065963448.

The previous prime is 1065963397. The next prime is 1065963467. The reversal of 1065963449 is 9443695601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008507049 + 57456400 = 31757^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065963449 - 2⁸ = 1065963193 is a prime.

It is a super-2 number, since 2×1065963449² = 2272556149207951202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065963499) 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, 532981724 + 532981725.

It is an arithmetic number, because the mean of its divisors is an integer number (532981725).

Almost surely, 2^1065963449 is an apocalyptic number.

It is an amenable number.

1065963449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065963449 is an equidigital number, since it uses as much as digits as its factorization.

1065963449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 1065963449 is about 32649.0956842605. The cubic root of 1065963449 is about 1021.5213261928.

The spelling of 1065963449 in words is "one billion, sixty-five million, nine hundred sixty-three thousand, four hundred forty-nine".