2441021421 has 4 divisors (see below), whose sum is σ = 3254695232. Its totient is φ = 1627347612.

The previous prime is 2441021417. The next prime is 2441021431. The reversal of 2441021421 is 1241201442.

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 2441021421 - 2² = 2441021417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2441021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406836901 + ... + 406836906.

It is an arithmetic number, because the mean of its divisors is an integer number (813673808).

Almost surely, 2^2441021421 is an apocalyptic number.

It is an amenable number.

2441021421 is a deficient number, since it is larger than the sum of its proper divisors (813673811).

2441021421 is an equidigital number, since it uses as much as digits as its factorization.

2441021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813673810.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2441021421 is about 49406.6940909833. The cubic root of 2441021421 is about 1346.4509286288.

Adding to 2441021421 its reverse (1241201442), we get a palindrome (3682222863).

It can be divided in two parts, 2441021 and 421, that added together give a palindrome (2441442).

The spelling of 2441021421 in words is "two billion, four hundred forty-one million, twenty-one thousand, four hundred twenty-one".