2421330389 has 2 divisors, whose sum is σ = 2421330390. Its totient is φ = 2421330388.

The previous prime is 2421330367. The next prime is 2421330391. The reversal of 2421330389 is 9830331242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2399334289 + 21996100 = 48983^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421330389 - 2²⁰ = 2420281813 is a prime.

Together with 2421330391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421333389) 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, 1210665194 + 1210665195.

It is an arithmetic number, because the mean of its divisors is an integer number (1210665195).

Almost surely, 2^2421330389 is an apocalyptic number.

It is an amenable number.

2421330389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421330389 is an equidigital number, since it uses as much as digits as its factorization.

2421330389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2421330389 is about 49207.0156481776. The cubic root of 2421330389 is about 1342.8206695492.

The spelling of 2421330389 in words is "two billion, four hundred twenty-one million, three hundred thirty thousand, three hundred eighty-nine".