2218504853 has 2 divisors, whose sum is σ = 2218504854. Its totient is φ = 2218504852.

The previous prime is 2218504819. The next prime is 2218504907. The reversal of 2218504853 is 3584058122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1759131364 + 459373489 = 41942^2 + 21433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2218504853 - 2¹⁶ = 2218439317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218503853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109252426 + 1109252427.

It is an arithmetic number, because the mean of its divisors is an integer number (1109252427).

Almost surely, 2^2218504853 is an apocalyptic number.

It is an amenable number.

2218504853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218504853 is an equidigital number, since it uses as much as digits as its factorization.

2218504853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2218504853 is about 47101.0069212963. The cubic root of 2218504853 is about 1304.2278238464.

The spelling of 2218504853 in words is "two billion, two hundred eighteen million, five hundred four thousand, eight hundred fifty-three".