22009853855453 has 4 divisors (see below), whose sum is σ = 22010542276188. Its totient is φ = 22009165434720.

The previous prime is 22009853855401. The next prime is 22009853855471. The reversal of 22009853855453 is 35455835890022.

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 21442576755769 + 567277099684 = 4630613^2 + 753178^2 .

It is a cyclic number.

It is not a de Polignac number, because 22009853855453 - 2⁶ = 22009853855389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22009853855392 and 22009853855401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22009853455453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344162408 + ... + 344226353.

It is an arithmetic number, because the mean of its divisors is an integer number (5502635569047).

Almost surely, 2^{22009853855453} is an apocalyptic number.

It is an amenable number.

22009853855453 is a deficient number, since it is larger than the sum of its proper divisors (688420735).

22009853855453 is an equidigital number, since it uses as much as digits as its factorization.

22009853855453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688420734.

The product of its (nonzero) digits is 51840000, while the sum is 59.

The spelling of 22009853855453 in words is "twenty-two trillion, nine billion, eight hundred fifty-three million, eight hundred fifty-five thousand, four hundred fifty-three".