13683049453 has 2 divisors, whose sum is σ = 13683049454. Its totient is φ = 13683049452.

The previous prime is 13683049441. The next prime is 13683049489. The reversal of 13683049453 is 35494038631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13289939524 + 393109929 = 115282^2 + 19827^2 .

It is a cyclic number.

It is not a de Polignac number, because 13683049453 - 2²¹ = 13680952301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13683040453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6841524726 + 6841524727.

It is an arithmetic number, because the mean of its divisors is an integer number (6841524727).

Almost surely, 2^13683049453 is an apocalyptic number.

It is an amenable number.

13683049453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13683049453 is an equidigital number, since it uses as much as digits as its factorization.

13683049453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 13683049453 in words is "thirteen billion, six hundred eighty-three million, forty-nine thousand, four hundred fifty-three".