115838439823669 has 2 divisors, whose sum is σ = 115838439823670. Its totient is φ = 115838439823668.

The previous prime is 115838439823633. The next prime is 115838439823697. The reversal of 115838439823669 is 966328934838511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58888204038225 + 56950235785444 = 7673865^2 + 7546538^2 .

It is a cyclic number.

It is not a de Polignac number, because 115838439823669 - 2²⁵ = 115838406269237 is a prime.

It is a super-2 number, since 2×115838439823669² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115838439823595 and 115838439823604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115838431823669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57919219911834 + 57919219911835.

It is an arithmetic number, because the mean of its divisors is an integer number (57919219911835).

Almost surely, 2^{115838439823669} is an apocalyptic number.

It is an amenable number.

115838439823669 is a deficient number, since it is larger than the sum of its proper divisors (1).

115838439823669 is an equidigital number, since it uses as much as digits as its factorization.

115838439823669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612431360, while the sum is 76.

The spelling of 115838439823669 in words is "one hundred fifteen trillion, eight hundred thirty-eight billion, four hundred thirty-nine million, eight hundred twenty-three thousand, six hundred sixty-nine".