2443404869 has 2 divisors, whose sum is σ = 2443404870. Its totient is φ = 2443404868.

The previous prime is 2443404851. The next prime is 2443404907. The reversal of 2443404869 is 9684043442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996927969 + 446476900 = 44687^2 + 21130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443404869 - 2²⁸ = 2174969413 is a prime.

It is a super-2 number, since 2×2443404869² = 11940454707705814322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443404829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221702434 + 1221702435.

It is an arithmetic number, because the mean of its divisors is an integer number (1221702435).

Almost surely, 2^2443404869 is an apocalyptic number.

It is an amenable number.

2443404869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443404869 is an equidigital number, since it uses as much as digits as its factorization.

2443404869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 44.

The square root of 2443404869 is about 49430.8089049734. The cubic root of 2443404869 is about 1346.8890173472.

The spelling of 2443404869 in words is "two billion, four hundred forty-three million, four hundred four thousand, eight hundred sixty-nine".