2421130009 has 2 divisors, whose sum is σ = 2421130010. Its totient is φ = 2421130008.

The previous prime is 2421129979. The next prime is 2421130067. The reversal of 2421130009 is 9000311242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2329027600 + 92102409 = 48260^2 + 9597^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421130009 - 2⁷ = 2421129881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421130109) 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 as a sum of consecutive naturals, namely, 1210565004 + 1210565005.

It is an arithmetic number, because the mean of its divisors is an integer number (1210565005).

Almost surely, 2^2421130009 is an apocalyptic number.

It is an amenable number.

2421130009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421130009 is an equidigital number, since it uses as much as digits as its factorization.

2421130009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2421130009 is about 49204.9795142727. The cubic root of 2421130009 is about 1342.7836263009.

The spelling of 2421130009 in words is "two billion, four hundred twenty-one million, one hundred thirty thousand, nine".