13494826693 has 2 divisors, whose sum is σ = 13494826694. Its totient is φ = 13494826692.

The previous prime is 13494826649. The next prime is 13494826699. The reversal of 13494826693 is 39662849431.

13494826693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12040014529 + 1454812164 = 109727^2 + 38142^2 .

It is an emirp because it is prime and its reverse (39662849431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13494826693 is a prime.

It is a super-2 number, since 2×13494826693² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13494826699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6747413346 + 6747413347.

It is an arithmetic number, because the mean of its divisors is an integer number (6747413347).

Almost surely, 2^13494826693 is an apocalyptic number.

It is an amenable number.

13494826693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13494826693 is an equidigital number, since it uses as much as digits as its factorization.

13494826693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 55.

The spelling of 13494826693 in words is "thirteen billion, four hundred ninety-four million, eight hundred twenty-six thousand, six hundred ninety-three".