4025663605 has 8 divisors (see below), whose sum is σ = 4847989464. Its totient is φ = 3209068800.

The previous prime is 4025663567. The next prime is 4025663611. The reversal of 4025663605 is 5063665204.

It can be written as a sum of positive squares in 4 ways, for example, as 1025472529 + 3000191076 = 32023^2 + 54774^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4025663605 - 2⁹ = 4025663093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431216 + ... + 1434025.

It is an arithmetic number, because the mean of its divisors is an integer number (605998683).

Almost surely, 2^4025663605 is an apocalyptic number.

It is an amenable number.

4025663605 is a deficient number, since it is larger than the sum of its proper divisors (822325859).

4025663605 is a wasteful number, since it uses less digits than its factorization.

4025663605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865527.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 4025663605 is about 63448.1174267606. The cubic root of 4025663605 is about 1590.7886868190.

The spelling of 4025663605 in words is "four billion, twenty-five million, six hundred sixty-three thousand, six hundred five".