13821246113 has 2 divisors, whose sum is σ = 13821246114. Its totient is φ = 13821246112.

The previous prime is 13821246079. The next prime is 13821246163. The reversal of 13821246113 is 31164212831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13360585744 + 460660369 = 115588^2 + 21463^2 .

It is a cyclic number.

It is not a de Polignac number, because 13821246113 - 2⁸ = 13821245857 is a prime.

It is a super-2 number, since 2×13821246113² (a number of 21 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 13821246113.

It is not a weakly prime, because it can be changed into another prime (13821246163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6910623056 + 6910623057.

It is an arithmetic number, because the mean of its divisors is an integer number (6910623057).

Almost surely, 2^13821246113 is an apocalyptic number.

It is an amenable number.

13821246113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13821246113 is an equidigital number, since it uses as much as digits as its factorization.

13821246113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

Adding to 13821246113 its reverse (31164212831), we get a palindrome (44985458944).

The spelling of 13821246113 in words is "thirteen billion, eight hundred twenty-one million, two hundred forty-six thousand, one hundred thirteen".