2421331413 has 8 divisors (see below), whose sum is σ = 3231989376. Its totient is φ = 1612447200.

The previous prime is 2421331391. The next prime is 2421331427. The reversal of 2421331413 is 3141331242.

It is a happy number.

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

It is not a de Polignac number, because 2421331413 - 2¹⁰ = 2421330389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421331483) 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, 440248 + ... + 445713.

It is an arithmetic number, because the mean of its divisors is an integer number (403998672).

Almost surely, 2^2421331413 is an apocalyptic number.

It is an amenable number.

2421331413 is a deficient number, since it is larger than the sum of its proper divisors (810657963).

2421331413 is an equidigital number, since it uses as much as digits as its factorization.

2421331413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886875.

The product of its digits is 1728, while the sum is 24.

The square root of 2421331413 is about 49207.0260531969. The cubic root of 2421331413 is about 1342.8208588458.

Adding to 2421331413 its reverse (3141331242), we get a palindrome (5562662655).

The spelling of 2421331413 in words is "two billion, four hundred twenty-one million, three hundred thirty-one thousand, four hundred thirteen".