1065366369 has 12 divisors (see below), whose sum is σ = 1546838436. Its totient is φ = 706563072.

The previous prime is 1065366349. The next prime is 1065366377. The reversal of 1065366369 is 9636635601.

1065366369 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 3 + 6 + 636 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86490000 + 978876369 = 9300^2 + 31287^2 .

It is not a de Polignac number, because 1065366369 - 2¹⁹ = 1064842081 is a prime.

It is a super-2 number, since 2×1065366369² = 2270011000392488322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065366349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304932 + ... + 308405.

It is an arithmetic number, because the mean of its divisors is an integer number (128903203).

Almost surely, 2^1065366369 is an apocalyptic number.

It is an amenable number.

1065366369 is a deficient number, since it is larger than the sum of its proper divisors (481472067).

1065366369 is a wasteful number, since it uses less digits than its factorization.

1065366369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613536 (or 613533 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The square root of 1065366369 is about 32639.9505054772. The cubic root of 1065366369 is about 1021.3305617190.

The spelling of 1065366369 in words is "one billion, sixty-five million, three hundred sixty-six thousand, three hundred sixty-nine".