2421252443 has 8 divisors (see below), whose sum is σ = 2502659760. Its totient is φ = 2341190880.

The previous prime is 2421252419. The next prime is 2421252461. The reversal of 2421252443 is 3442521242.

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

It is a cyclic number.

It is not a de Polignac number, because 2421252443 - 2⁸ = 2421252187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421252413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332780 + ... + 339977.

It is an arithmetic number, because the mean of its divisors is an integer number (312832470).

Almost surely, 2^2421252443 is an apocalyptic number.

2421252443 is a deficient number, since it is larger than the sum of its proper divisors (81407317).

2421252443 is an equidigital number, since it uses as much as digits as its factorization.

2421252443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672877.

The product of its digits is 15360, while the sum is 29.

The square root of 2421252443 is about 49206.2236205950. The cubic root of 2421252443 is about 1342.8062603050.

Adding to 2421252443 its reverse (3442521242), we get a palindrome (5863773685).

The spelling of 2421252443 in words is "two billion, four hundred twenty-one million, two hundred fifty-two thousand, four hundred forty-three".