4489715845 has 4 divisors (see below), whose sum is σ = 5387659020. Its totient is φ = 3591772672.

The previous prime is 4489715837. The next prime is 4489715849. The reversal of 4489715845 is 5485179844.

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 1534053889 + 2955661956 = 39167^2 + 54366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4489715845 - 2³ = 4489715837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489715849) 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, 448971580 + ... + 448971589.

It is an arithmetic number, because the mean of its divisors is an integer number (1346914755).

Almost surely, 2^4489715845 is an apocalyptic number.

It is an amenable number.

4489715845 is a deficient number, since it is larger than the sum of its proper divisors (897943175).

4489715845 is an equidigital number, since it uses as much as digits as its factorization.

4489715845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897943174.

The product of its digits is 6451200, while the sum is 55.

The square root of 4489715845 is about 67005.3419139101. The cubic root of 4489715845 is about 1649.7049787805.

The spelling of 4489715845 in words is "four billion, four hundred eighty-nine million, seven hundred fifteen thousand, eight hundred forty-five".