2443412861 has 2 divisors, whose sum is σ = 2443412862. Its totient is φ = 2443412860.

The previous prime is 2443412821. The next prime is 2443412911. The reversal of 2443412861 is 1682143442.

It is a happy number.

2443412861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2382025636 + 61387225 = 48806^2 + 7835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443412861 - 2²² = 2439218557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443412821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221706430 + 1221706431.

It is an arithmetic number, because the mean of its divisors is an integer number (1221706431).

Almost surely, 2^2443412861 is an apocalyptic number.

It is an amenable number.

2443412861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443412861 is an equidigital number, since it uses as much as digits as its factorization.

2443412861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 2443412861 is about 49430.8897451786. The cubic root of 2443412861 is about 1346.8904858343.

The spelling of 2443412861 in words is "two billion, four hundred forty-three million, four hundred twelve thousand, eight hundred sixty-one".