1164440273 has 2 divisors, whose sum is σ = 1164440274. Its totient is φ = 1164440272.

The previous prime is 1164440261. The next prime is 1164440281. The reversal of 1164440273 is 3720444611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849839104 + 314601169 = 29152^2 + 17737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164440273 - 2¹⁰ = 1164439249 is a prime.

It is a super-2 number, since 2×1164440273² = 2711842298768629058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1164440293) 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, 582220136 + 582220137.

It is an arithmetic number, because the mean of its divisors is an integer number (582220137).

Almost surely, 2^1164440273 is an apocalyptic number.

It is an amenable number.

1164440273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164440273 is an equidigital number, since it uses as much as digits as its factorization.

1164440273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1164440273 is about 34123.8959235314. The cubic root of 1164440273 is about 1052.0565206589.

Adding to 1164440273 its reverse (3720444611), we get a palindrome (4884884884).

The spelling of 1164440273 in words is "one billion, one hundred sixty-four million, four hundred forty thousand, two hundred seventy-three".