2434220443421 has 8 divisors (see below), whose sum is σ = 2621487298080. Its totient is φ = 2246956321392.

The previous prime is 2434220443393. The next prime is 2434220443427. The reversal of 2434220443421 is 1243440224342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2434220443421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2434220443427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402910 + ... + 2614688.

It is an arithmetic number, because the mean of its divisors is an integer number (327685912260).

Almost surely, 2^{2434220443421} is an apocalyptic number.

It is an amenable number.

2434220443421 is a deficient number, since it is larger than the sum of its proper divisors (187266854659).

2434220443421 is a wasteful number, since it uses less digits than its factorization.

2434220443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366315.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 2434220443421 its reverse (1243440224342), we get a palindrome (3677660667763).

The spelling of 2434220443421 in words is "two trillion, four hundred thirty-four billion, two hundred twenty million, four hundred forty-three thousand, four hundred twenty-one".