1065465449 has 2 divisors, whose sum is σ = 1065465450. Its totient is φ = 1065465448.

The previous prime is 1065465437. The next prime is 1065465473. The reversal of 1065465449 is 9445645601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046975449 + 18490000 = 32357^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065465449 - 2⁴ = 1065465433 is a prime.

It is a super-2 number, since 2×1065465449² = 2270433246025543202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065467449) 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, 532732724 + 532732725.

It is an arithmetic number, because the mean of its divisors is an integer number (532732725).

Almost surely, 2^1065465449 is an apocalyptic number.

It is an amenable number.

1065465449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065465449 is an equidigital number, since it uses as much as digits as its factorization.

1065465449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 1065465449 is about 32641.4682420996. The cubic root of 1065465449 is about 1021.3622222814.

The spelling of 1065465449 in words is "one billion, sixty-five million, four hundred sixty-five thousand, four hundred forty-nine".