13958112739693 has 2 divisors, whose sum is σ = 13958112739694. Its totient is φ = 13958112739692.

The previous prime is 13958112739691. The next prime is 13958112739793. The reversal of 13958112739693 is 39693721185931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9028234108804 + 4929878630889 = 3004702^2 + 2220333^2 .

It is a cyclic number.

It is not a de Polignac number, because 13958112739693 - 2¹ = 13958112739691 is a prime.

It is a super-2 number, since 2×13958112739693² (a number of 27 digits) contains 22 as substring.

Together with 13958112739691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13958112739691) 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, 6979056369846 + 6979056369847.

It is an arithmetic number, because the mean of its divisors is an integer number (6979056369847).

Almost surely, 2^{13958112739693} is an apocalyptic number.

It is an amenable number.

13958112739693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13958112739693 is an equidigital number, since it uses as much as digits as its factorization.

13958112739693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66134880, while the sum is 67.

The spelling of 13958112739693 in words is "thirteen trillion, nine hundred fifty-eight billion, one hundred twelve million, seven hundred thirty-nine thousand, six hundred ninety-three".