2421315137 has 2 divisors, whose sum is σ = 2421315138. Its totient is φ = 2421315136.

The previous prime is 2421315119. The next prime is 2421315139. The reversal of 2421315137 is 7315131242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2415820801 + 5494336 = 49151^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421315137 - 2¹⁶ = 2421249601 is a prime.

Together with 2421315139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2421315139) 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 as a sum of consecutive naturals, namely, 1210657568 + 1210657569.

It is an arithmetic number, because the mean of its divisors is an integer number (1210657569).

Almost surely, 2^2421315137 is an apocalyptic number.

It is an amenable number.

2421315137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421315137 is an equidigital number, since it uses as much as digits as its factorization.

2421315137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 2421315137 is about 49206.8606700326. The cubic root of 2421315137 is about 1342.8178500602.

Adding to 2421315137 its reverse (7315131242), we get a palindrome (9736446379).

The spelling of 2421315137 in words is "two billion, four hundred twenty-one million, three hundred fifteen thousand, one hundred thirty-seven".