1164205013 has 2 divisors, whose sum is σ = 1164205014. Its totient is φ = 1164205012.

The previous prime is 1164205001. The next prime is 1164205027. The reversal of 1164205013 is 3105024611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813504484 + 350700529 = 28522^2 + 18727^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164205013 - 2²⁶ = 1097096149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1164205013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164205043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582102506 + 582102507.

It is an arithmetic number, because the mean of its divisors is an integer number (582102507).

Almost surely, 2^1164205013 is an apocalyptic number.

It is an amenable number.

1164205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164205013 is an equidigital number, since it uses as much as digits as its factorization.

1164205013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1164205013 is about 34120.4486049055. The cubic root of 1164205013 is about 1051.9856644449.

Adding to 1164205013 its reverse (3105024611), we get a palindrome (4269229624).

The spelling of 1164205013 in words is "one billion, one hundred sixty-four million, two hundred five thousand, thirteen".