13403175918493 has 2 divisors, whose sum is σ = 13403175918494. Its totient is φ = 13403175918492.

The previous prime is 13403175918491. The next prime is 13403175918529. The reversal of 13403175918493 is 39481957130431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7468485519609 + 5934690398884 = 2732853^2 + 2436122^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403175918493 - 2¹ = 13403175918491 is a prime.

Together with 13403175918491, 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 (13403175918491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701587959246 + 6701587959247.

It is an arithmetic number, because the mean of its divisors is an integer number (6701587959247).

Almost surely, 2^{13403175918493} is an apocalyptic number.

It is an amenable number.

13403175918493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403175918493 is an equidigital number, since it uses as much as digits as its factorization.

13403175918493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 13403175918493 in words is "thirteen trillion, four hundred three billion, one hundred seventy-five million, nine hundred eighteen thousand, four hundred ninety-three".