1836364727369 has 2 divisors, whose sum is σ = 1836364727370. Its totient is φ = 1836364727368.

The previous prime is 1836364727359. The next prime is 1836364727419. The reversal of 1836364727369 is 9637274636381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1733403961744 + 102960765625 = 1316588^2 + 320875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1836364727369 is a prime.

It is a super-2 number, since 2×1836364727369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1836364727359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918182363684 + 918182363685.

It is an arithmetic number, because the mean of its divisors is an integer number (918182363685).

Almost surely, 2^{1836364727369} is an apocalyptic number.

It is an amenable number.

1836364727369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836364727369 is an equidigital number, since it uses as much as digits as its factorization.

1836364727369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 65.

The spelling of 1836364727369 in words is "one trillion, eight hundred thirty-six billion, three hundred sixty-four million, seven hundred twenty-seven thousand, three hundred sixty-nine".