2421261696 has 256 divisors, whose sum is σ = 7755264000. Its totient is φ = 668344320.

The previous prime is 2421261679. The next prime is 2421261701. The reversal of 2421261696 is 6961621242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4082776 + ... + 4083368.

It is an arithmetic number, because the mean of its divisors is an integer number (30294000).

Almost surely, 2^2421261696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421261696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3877632000).

2421261696 is an abundant number, since it is smaller than the sum of its proper divisors (5334002304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421261696 is an equidigital number, since it uses as much as digits as its factorization.

2421261696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 636 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 2421261696 is about 49206.3176431645. The cubic root of 2421261696 is about 1342.8079708482.

The spelling of 2421261696 in words is "two billion, four hundred twenty-one million, two hundred sixty-one thousand, six hundred ninety-six".