1158833369 has 2 divisors, whose sum is σ = 1158833370. Its totient is φ = 1158833368.

The previous prime is 1158833353. The next prime is 1158833399. The reversal of 1158833369 is 9633388511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101376969 + 57456400 = 33187^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158833369 - 2⁴ = 1158833353 is a prime.

It is a super-2 number, since 2×1158833369² = 2685789554215780322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1158833399) 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, 579416684 + 579416685.

It is an arithmetic number, because the mean of its divisors is an integer number (579416685).

Almost surely, 2^1158833369 is an apocalyptic number.

It is an amenable number.

1158833369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158833369 is an equidigital number, since it uses as much as digits as its factorization.

1158833369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 1158833369 is about 34041.6416907293. The cubic root of 1158833369 is about 1050.3652150560.

The spelling of 1158833369 in words is "one billion, one hundred fifty-eight million, eight hundred thirty-three thousand, three hundred sixty-nine".