36440002013 has 2 divisors, whose sum is σ = 36440002014. Its totient is φ = 36440002012.

The previous prime is 36440001947. The next prime is 36440002021. The reversal of 36440002013 is 31020004463.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29064112324 + 7375889689 = 170482^2 + 85883^2 .

It is a cyclic number.

It is not a de Polignac number, because 36440002013 - 2²⁰ = 36438953437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36440002013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36440002213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18220001006 + 18220001007.

It is an arithmetic number, because the mean of its divisors is an integer number (18220001007).

Almost surely, 2^36440002013 is an apocalyptic number.

It is an amenable number.

36440002013 is a deficient number, since it is larger than the sum of its proper divisors (1).

36440002013 is an equidigital number, since it uses as much as digits as its factorization.

36440002013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 36440002013 its reverse (31020004463), we get a palindrome (67460006476).

The spelling of 36440002013 in words is "thirty-six billion, four hundred forty million, two thousand, thirteen".