2421444126641 has 4 divisors (see below), whose sum is σ = 2421494982000. Its totient is φ = 2421393271284.

The previous prime is 2421444126611. The next prime is 2421444126659. The reversal of 2421444126641 is 1466214441242.

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 a cyclic number.

It is not a de Polignac number, because 2421444126641 - 2²² = 2421439932337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2421444126611) 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, 25356191 + ... + 25451508.

It is an arithmetic number, because the mean of its divisors is an integer number (605373745500).

Almost surely, 2^{2421444126641} is an apocalyptic number.

It is an amenable number.

2421444126641 is a deficient number, since it is larger than the sum of its proper divisors (50855359).

2421444126641 is an equidigital number, since it uses as much as digits as its factorization.

2421444126641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50855358.

The product of its digits is 294912, while the sum is 41.

Adding to 2421444126641 its reverse (1466214441242), we get a palindrome (3887658567883).

The spelling of 2421444126641 in words is "two trillion, four hundred twenty-one billion, four hundred forty-four million, one hundred twenty-six thousand, six hundred forty-one".