13723229246981 has 2 divisors, whose sum is σ = 13723229246982. Its totient is φ = 13723229246980.

The previous prime is 13723229246971. The next prime is 13723229247011. The reversal of 13723229246981 is 18964292232731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11673435722881 + 2049793524100 = 3416641^2 + 1431710^2 .

It is a cyclic number.

It is not a de Polignac number, because 13723229246981 - 2¹⁸ = 13723228984837 is a prime.

It is a super-2 number, since 2×13723229246981² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13723229246981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13723229246971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6861614623490 + 6861614623491.

It is an arithmetic number, because the mean of its divisors is an integer number (6861614623491).

Almost surely, 2^{13723229246981} is an apocalyptic number.

It is an amenable number.

13723229246981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13723229246981 is an equidigital number, since it uses as much as digits as its factorization.

13723229246981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 59.

The spelling of 13723229246981 in words is "thirteen trillion, seven hundred twenty-three billion, two hundred twenty-nine million, two hundred forty-six thousand, nine hundred eighty-one".