213440200489 has 2 divisors, whose sum is σ = 213440200490. Its totient is φ = 213440200488.

The previous prime is 213440200481. The next prime is 213440200549. The reversal of 213440200489 is 984002044312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208465296400 + 4974904089 = 456580^2 + 70533^2 .

It is a cyclic number.

It is not a de Polignac number, because 213440200489 - 2³ = 213440200481 is a prime.

It is not a weakly prime, because it can be changed into another prime (213440200481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106720100244 + 106720100245.

It is an arithmetic number, because the mean of its divisors is an integer number (106720100245).

Almost surely, 2^213440200489 is an apocalyptic number.

It is an amenable number.

213440200489 is a deficient number, since it is larger than the sum of its proper divisors (1).

213440200489 is an equidigital number, since it uses as much as digits as its factorization.

213440200489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 213440200489 in words is "two hundred thirteen billion, four hundred forty million, two hundred thousand, four hundred eighty-nine".