4528423849 has 4 divisors (see below), whose sum is σ = 4535153236. Its totient is φ = 4521694464.

The previous prime is 4528423847. The next prime is 4528423853. The reversal of 4528423849 is 9483248254.

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 1829101824 + 2699322025 = 42768^2 + 51955^2 .

It is a cyclic number.

It is not a de Polignac number, because 4528423849 - 2¹ = 4528423847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4528423847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363684 + ... + 3365029.

It is an arithmetic number, because the mean of its divisors is an integer number (1133788309).

Almost surely, 2^4528423849 is an apocalyptic number.

It is an amenable number.

4528423849 is a deficient number, since it is larger than the sum of its proper divisors (6729387).

4528423849 is an equidigital number, since it uses as much as digits as its factorization.

4528423849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729386.

The product of its digits is 2211840, while the sum is 49.

The square root of 4528423849 is about 67293.5646923240. The cubic root of 4528423849 is about 1654.4323861632.

The spelling of 4528423849 in words is "four billion, five hundred twenty-eight million, four hundred twenty-three thousand, eight hundred forty-nine".