1064660273 has 2 divisors, whose sum is σ = 1064660274. Its totient is φ = 1064660272.

The previous prime is 1064660257. The next prime is 1064660293. The reversal of 1064660273 is 3720664601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058070784 + 6589489 = 32528^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064660273 - 2⁴ = 1064660257 is a prime.

It is a super-2 number, since 2×1064660273² = 2267002993808869058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064660293) 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, 532330136 + 532330137.

It is an arithmetic number, because the mean of its divisors is an integer number (532330137).

Almost surely, 2^1064660273 is an apocalyptic number.

It is an amenable number.

1064660273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064660273 is an equidigital number, since it uses as much as digits as its factorization.

1064660273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1064660273 is about 32629.1322747020. The cubic root of 1064660273 is about 1021.1048750991.

The spelling of 1064660273 in words is "one billion, sixty-four million, six hundred sixty thousand, two hundred seventy-three".