4925471809 has 2 divisors, whose sum is σ = 4925471810. Its totient is φ = 4925471808.

The previous prime is 4925471791. The next prime is 4925471849. The reversal of 4925471809 is 9081745294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4849729600 + 75742209 = 69640^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 4925471809 - 2⁹ = 4925471297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4925471849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2462735904 + 2462735905.

It is an arithmetic number, because the mean of its divisors is an integer number (2462735905).

Almost surely, 2^4925471809 is an apocalyptic number.

It is an amenable number.

4925471809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4925471809 is an equidigital number, since it uses as much as digits as its factorization.

4925471809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 4925471809 is about 70181.7056575287. The cubic root of 4925471809 is about 1701.4372861009.

The spelling of 4925471809 in words is "four billion, nine hundred twenty-five million, four hundred seventy-one thousand, eight hundred nine".