13453402243 has 2 divisors, whose sum is σ = 13453402244. Its totient is φ = 13453402242.

The previous prime is 13453402177. The next prime is 13453402271. The reversal of 13453402243 is 34220435431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13453402243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13453402273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726701121 + 6726701122.

It is an arithmetic number, because the mean of its divisors is an integer number (6726701122).

Almost surely, 2^13453402243 is an apocalyptic number.

13453402243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453402243 is an equidigital number, since it uses as much as digits as its factorization.

13453402243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 13453402243 its reverse (34220435431), we get a palindrome (47673837674).

The spelling of 13453402243 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, two hundred forty-three".