2213633364545 has 4 divisors (see below), whose sum is σ = 2656360037460. Its totient is φ = 1770906691632.

The previous prime is 2213633364521. The next prime is 2213633364581. The reversal of 2213633364545 is 5454633363122.

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 1352224773904 + 861408590641 = 1162852^2 + 928121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213633364545 - 2⁸ = 2213633364289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2213633364545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221363336450 + ... + 221363336459.

It is an arithmetic number, because the mean of its divisors is an integer number (664090009365).

Almost surely, 2^{2213633364545} is an apocalyptic number.

It is an amenable number.

2213633364545 is a deficient number, since it is larger than the sum of its proper divisors (442726672915).

2213633364545 is an equidigital number, since it uses as much as digits as its factorization.

2213633364545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442726672914.

The product of its digits is 4665600, while the sum is 47.

The spelling of 2213633364545 in words is "two trillion, two hundred thirteen billion, six hundred thirty-three million, three hundred sixty-four thousand, five hundred forty-five".