2421216937 has 8 divisors (see below), whose sum is σ = 2465873280. Its totient is φ = 2376853920.

The previous prime is 2421216929. The next prime is 2421216961. The reversal of 2421216937 is 7396121242.

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

It is a cyclic number.

It is not a de Polignac number, because 2421216937 - 2³ = 2421216929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421216896 and 2421216905.

It is not an unprimeable number, because it can be changed into a prime (2421216977) 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 7 ways as a sum of consecutive naturals, for example, 56637 + ... + 89722.

It is an arithmetic number, because the mean of its divisors is an integer number (308234160).

Almost surely, 2^2421216937 is an apocalyptic number.

It is an amenable number.

2421216937 is a deficient number, since it is larger than the sum of its proper divisors (44656343).

2421216937 is a wasteful number, since it uses less digits than its factorization.

2421216937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146663.

The product of its digits is 36288, while the sum is 37.

The square root of 2421216937 is about 49205.8628315773. The cubic root of 2421216937 is about 1342.7996964965.

The spelling of 2421216937 in words is "two billion, four hundred twenty-one million, two hundred sixteen thousand, nine hundred thirty-seven".