10205242453267 has 2 divisors, whose sum is σ = 10205242453268. Its totient is φ = 10205242453266.

The previous prime is 10205242453201. The next prime is 10205242453297. The reversal of 10205242453267 is 76235424250201.

It is a happy number.

10205242453267 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 is an emirp because it is prime and its reverse (76235424250201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10205242453267 is a prime.

It is not a weakly prime, because it can be changed into another prime (10205242453297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102621226633 + 5102621226634.

It is an arithmetic number, because the mean of its divisors is an integer number (5102621226634).

Almost surely, 2^{10205242453267} is an apocalyptic number.

10205242453267 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205242453267 is an equidigital number, since it uses as much as digits as its factorization.

10205242453267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 10205242453267 in words is "ten trillion, two hundred five billion, two hundred forty-two million, four hundred fifty-three thousand, two hundred sixty-seven".