2420324209 has 2 divisors, whose sum is σ = 2420324210. Its totient is φ = 2420324208.

The previous prime is 2420324161. The next prime is 2420324237. The reversal of 2420324209 is 9024230242.

It is an a-pointer prime, because the next prime (2420324237) can be obtained adding 2420324209 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1473408225 + 946915984 = 38385^2 + 30772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420324209 - 2²¹ = 2418227057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420324279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210162104 + 1210162105.

It is an arithmetic number, because the mean of its divisors is an integer number (1210162105).

Almost surely, 2^2420324209 is an apocalyptic number.

It is an amenable number.

2420324209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420324209 is an equidigital number, since it uses as much as digits as its factorization.

2420324209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2420324209 is about 49196.7906371950. The cubic root of 2420324209 is about 1342.6346414463.

The spelling of 2420324209 in words is "two billion, four hundred twenty million, three hundred twenty-four thousand, two hundred nine".