2852289866 has 4 divisors (see below), whose sum is σ = 4278434802. Its totient is φ = 1426144932.

The previous prime is 2852289863. The next prime is 2852289871. The reversal of 2852289866 is 6689822582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6689822582 = 2 ⋅3344911291.

It can be written as a sum of positive squares in only one way, i.e., 1991747641 + 860542225 = 44629^2 + 29335^2 .

It is not an unprimeable number, because it can be changed into a prime (2852289863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713072465 + ... + 713072468.

Almost surely, 2^2852289866 is an apocalyptic number.

2852289866 is a deficient number, since it is larger than the sum of its proper divisors (1426144936).

2852289866 is a wasteful number, since it uses less digits than its factorization.

2852289866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426144935.

The product of its digits is 6635520, while the sum is 56.

The square root of 2852289866 is about 53406.8335140738. The cubic root of 2852289866 is about 1418.1795533761.

The spelling of 2852289866 in words is "two billion, eight hundred fifty-two million, two hundred eighty-nine thousand, eight hundred sixty-six".