2421216308 has 24 divisors (see below), whose sum is σ = 4955049792. Its totient is φ = 1013531904.

The previous prime is 2421216307. The next prime is 2421216353. The reversal of 2421216308 is 8036121242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421216307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004285 + ... + 1006692.

It is an arithmetic number, because the mean of its divisors is an integer number (206460408).

Almost surely, 2^2421216308 is an apocalyptic number.

2421216308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2421216308 is an abundant number, since it is smaller than the sum of its proper divisors (2533833484).

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

2421216308 is a wasteful number, since it uses less digits than its factorization.

2421216308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011031 (or 2011029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2421216308 is about 49205.8564400621. The cubic root of 2421216308 is about 1342.7995802160.

The spelling of 2421216308 in words is "two billion, four hundred twenty-one million, two hundred sixteen thousand, three hundred eight".