4925420209 has 2 divisors, whose sum is σ = 4925420210. Its totient is φ = 4925420208.

The previous prime is 4925420197. The next prime is 4925420239. The reversal of 4925420209 is 9020245294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4610002609 + 315417600 = 67897^2 + 17760^2 .

It is a cyclic number.

It is not a de Polignac number, because 4925420209 - 2²¹ = 4923323057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4925420239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2462710104 + 2462710105.

It is an arithmetic number, because the mean of its divisors is an integer number (2462710105).

Almost surely, 2^4925420209 is an apocalyptic number.

It is an amenable number.

4925420209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4925420209 is an equidigital number, since it uses as much as digits as its factorization.

4925420209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4925420209 is about 70181.3380393962. The cubic root of 4925420209 is about 1701.4313445740.

The spelling of 4925420209 in words is "four billion, nine hundred twenty-five million, four hundred twenty thousand, two hundred nine".