2421216307 has 2 divisors, whose sum is σ = 2421216308. Its totient is φ = 2421216306.

The previous prime is 2421216283. The next prime is 2421216353. The reversal of 2421216307 is 7036121242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421216307 - 2²⁷ = 2286998579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421216377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210608153 + 1210608154.

It is an arithmetic number, because the mean of its divisors is an integer number (1210608154).

Almost surely, 2^2421216307 is an apocalyptic number.

2421216307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421216307 is an equidigital number, since it uses as much as digits as its factorization.

2421216307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2421216307 is about 49205.8564299007. The cubic root of 2421216307 is about 1342.7995800311.

Adding to 2421216307 its reverse (7036121242), we get a palindrome (9457337549).

The spelling of 2421216307 in words is "two billion, four hundred twenty-one million, two hundred sixteen thousand, three hundred seven".