4425543065 has 4 divisors (see below), whose sum is σ = 5310651684. Its totient is φ = 3540434448.

The previous prime is 4425543049. The next prime is 4425543097. The reversal of 4425543065 is 5603455244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1613468224 + 2812074841 = 40168^2 + 53029^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425543065 - 2⁴ = 4425543049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442554302 + ... + 442554311.

It is an arithmetic number, because the mean of its divisors is an integer number (1327662921).

Almost surely, 2^4425543065 is an apocalyptic number.

It is an amenable number.

4425543065 is a deficient number, since it is larger than the sum of its proper divisors (885108619).

4425543065 is an equidigital number, since it uses as much as digits as its factorization.

4425543065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885108618.

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 4425543065 is about 66524.7552795198. The cubic root of 4425543065 is about 1641.8073304822.

The spelling of 4425543065 in words is "four billion, four hundred twenty-five million, five hundred forty-three thousand, sixty-five".