2421442403 has 4 divisors (see below), whose sum is σ = 2548886760. Its totient is φ = 2293998048.

The previous prime is 2421442399. The next prime is 2421442417. The reversal of 2421442403 is 3042441242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421442403 - 2² = 2421442399 is a prime.

It is a super-2 number, since 2×2421442403² = 11726766622092828818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421442453) 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 3 ways as a sum of consecutive naturals, for example, 63722150 + ... + 63722187.

It is an arithmetic number, because the mean of its divisors is an integer number (637221690).

Almost surely, 2^2421442403 is an apocalyptic number.

2421442403 is a deficient number, since it is larger than the sum of its proper divisors (127444357).

2421442403 is a wasteful number, since it uses less digits than its factorization.

2421442403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127444356.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2421442403 is about 49208.1538263731. The cubic root of 2421442403 is about 1342.8413761266.

Adding to 2421442403 its reverse (3042441242), we get a palindrome (5463883645).

The spelling of 2421442403 in words is "two billion, four hundred twenty-one million, four hundred forty-two thousand, four hundred three".