5425555609 has 2 divisors, whose sum is σ = 5425555610. Its totient is φ = 5425555608.

The previous prime is 5425555549. The next prime is 5425555631. The reversal of 5425555609 is 9065555245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5421082384 + 4473225 = 73628^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5425555609 - 2¹⁵ = 5425522841 is a prime.

It is not a weakly prime, because it can be changed into another prime (5425555649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2712777804 + 2712777805.

It is an arithmetic number, because the mean of its divisors is an integer number (2712777805).

Almost surely, 2^5425555609 is an apocalyptic number.

It is an amenable number.

5425555609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5425555609 is an equidigital number, since it uses as much as digits as its factorization.

5425555609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The square root of 5425555609 is about 73658.3709363708. The cubic root of 5425555609 is about 1757.1738830648.

The spelling of 5425555609 in words is "five billion, four hundred twenty-five million, five hundred fifty-five thousand, six hundred nine".