2421320613 has 8 divisors (see below), whose sum is σ = 3398344800. Its totient is φ = 1529255088.

The previous prime is 2421320611. The next prime is 2421320621. The reversal of 2421320613 is 3160231242.

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

It is not a de Polignac number, because 2421320613 - 2¹ = 2421320611 is a prime.

It is a super-3 number, since 3×2421320613³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421320611) 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, 21239598 + ... + 21239711.

It is an arithmetic number, because the mean of its divisors is an integer number (424793100).

Almost surely, 2^2421320613 is an apocalyptic number.

It is an amenable number.

2421320613 is a deficient number, since it is larger than the sum of its proper divisors (977024187).

2421320613 is a wasteful number, since it uses less digits than its factorization.

2421320613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42479331.

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

The square root of 2421320613 is about 49206.9163126486. The cubic root of 2421320613 is about 1342.8188623564.

Adding to 2421320613 its reverse (3160231242), we get a palindrome (5581551855).

The spelling of 2421320613 in words is "two billion, four hundred twenty-one million, three hundred twenty thousand, six hundred thirteen".