2421444344313 has 4 divisors (see below), whose sum is σ = 3228592459088. Its totient is φ = 1614296229540.

The previous prime is 2421444344299. The next prime is 2421444344377. The reversal of 2421444344313 is 3134434441242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2421444344313 - 2⁸ = 2421444344057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421444344113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403574057383 + ... + 403574057388.

It is an arithmetic number, because the mean of its divisors is an integer number (807148114772).

Almost surely, 2^{2421444344313} is an apocalyptic number.

It is an amenable number.

2421444344313 is a deficient number, since it is larger than the sum of its proper divisors (807148114775).

2421444344313 is an equidigital number, since it uses as much as digits as its factorization.

2421444344313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807148114774.

The product of its digits is 442368, while the sum is 39.

Adding to 2421444344313 its reverse (3134434441242), we get a palindrome (5555878785555).

The spelling of 2421444344313 in words is "two trillion, four hundred twenty-one billion, four hundred forty-four million, three hundred forty-four thousand, three hundred thirteen".