269682069437981 has 2 divisors, whose sum is σ = 269682069437982. Its totient is φ = 269682069437980.

The previous prime is 269682069437917. The next prime is 269682069438043. The reversal of 269682069437981 is 189734960286962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266091457536100 + 3590611901881 = 16312310^2 + 1894891^2 .

It is a cyclic number.

It is not a de Polignac number, because 269682069437981 - 2⁶ = 269682069437917 is a prime.

It is a super-2 number, since 2×269682069437981² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 269682069437896 and 269682069437905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269682069430981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134841034718990 + 134841034718991.

It is an arithmetic number, because the mean of its divisors is an integer number (134841034718991).

Almost surely, 2^{269682069437981} is an apocalyptic number.

It is an amenable number.

269682069437981 is a deficient number, since it is larger than the sum of its proper divisors (1).

269682069437981 is an equidigital number, since it uses as much as digits as its factorization.

269682069437981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386105856, while the sum is 80.

The spelling of 269682069437981 in words is "two hundred sixty-nine trillion, six hundred eighty-two billion, sixty-nine million, four hundred thirty-seven thousand, nine hundred eighty-one".