36344863779869 has 2 divisors, whose sum is σ = 36344863779870. Its totient is φ = 36344863779868.

The previous prime is 36344863779811. The next prime is 36344863779907. The reversal of 36344863779869 is 96897736844363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32938760992900 + 3406102786969 = 5739230^2 + 1845563^2 .

It is a cyclic number.

It is not a de Polignac number, because 36344863779869 - 2⁸ = 36344863779613 is a prime.

It is a super-2 number, since 2×36344863779869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36344863770869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18172431889934 + 18172431889935.

It is an arithmetic number, because the mean of its divisors is an integer number (18172431889935).

Almost surely, 2^{36344863779869} is an apocalyptic number.

It is an amenable number.

36344863779869 is a deficient number, since it is larger than the sum of its proper divisors (1).

36344863779869 is an equidigital number, since it uses as much as digits as its factorization.

36344863779869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23702740992, while the sum is 83.

The spelling of 36344863779869 in words is "thirty-six trillion, three hundred forty-four billion, eight hundred sixty-three million, seven hundred seventy-nine thousand, eight hundred sixty-nine".