2443421011 has 4 divisors (see below), whose sum is σ = 2443583800. Its totient is φ = 2443258224.

The previous prime is 2443421009. The next prime is 2443421093. The reversal of 2443421011 is 1101243442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2443421011 - 2¹ = 2443421009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443421711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56301 + ... + 89758.

It is an arithmetic number, because the mean of its divisors is an integer number (610895950).

Almost surely, 2^2443421011 is an apocalyptic number.

2443421011 is a deficient number, since it is larger than the sum of its proper divisors (162789).

2443421011 is a wasteful number, since it uses less digits than its factorization.

2443421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162788.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2443421011 is about 49430.9721834398. The cubic root of 2443421011 is about 1346.8919833497.

Adding to 2443421011 its reverse (1101243442), we get a palindrome (3544664453).

The spelling of 2443421011 in words is "two billion, four hundred forty-three million, four hundred twenty-one thousand, eleven".