2443378841 has 4 divisors (see below), whose sum is σ = 2443710900. Its totient is φ = 2443046784.

The previous prime is 2443378829. The next prime is 2443378843. The reversal of 2443378841 is 1488733442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 760656400 + 1682722441 = 27580^2 + 41021^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443378841 - 2²² = 2439184537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2443378792 and 2443378801.

It is not an unprimeable number, because it can be changed into a prime (2443378843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154736 + ... + 169793.

It is an arithmetic number, because the mean of its divisors is an integer number (610927725).

Almost surely, 2^2443378841 is an apocalyptic number.

It is an amenable number.

2443378841 is a deficient number, since it is larger than the sum of its proper divisors (332059).

2443378841 is an equidigital number, since it uses as much as digits as its factorization.

2443378841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332058.

The product of its digits is 516096, while the sum is 44.

The square root of 2443378841 is about 49430.5456271727. The cubic root of 2443378841 is about 1346.8842348199.

The spelling of 2443378841 in words is "two billion, four hundred forty-three million, three hundred seventy-eight thousand, eight hundred forty-one".