13285037453 has 4 divisors (see below), whose sum is σ = 13421996700. Its totient is φ = 13148078208.

The previous prime is 13285037419. The next prime is 13285037473. The reversal of 13285037453 is 35473058231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7148195209 + 6136842244 = 84547^2 + 78338^2 .

It is a cyclic number.

It is not a de Polignac number, because 13285037453 - 2¹² = 13285033357 is a prime.

It is a super-2 number, since 2×13285037453² (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 13285037453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285037473) 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 in 3 ways as a sum of consecutive naturals, for example, 68479478 + ... + 68479671.

It is an arithmetic number, because the mean of its divisors is an integer number (3355499175).

Almost surely, 2^13285037453 is an apocalyptic number.

It is an amenable number.

13285037453 is a deficient number, since it is larger than the sum of its proper divisors (136959247).

13285037453 is an equidigital number, since it uses as much as digits as its factorization.

13285037453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136959246.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 13285037453 in words is "thirteen billion, two hundred eighty-five million, thirty-seven thousand, four hundred fifty-three".