4428124945 has 8 divisors (see below), whose sum is σ = 5318900136. Its totient is φ = 3539066496.

The previous prime is 4428124903. The next prime is 4428125003. The reversal of 4428124945 is 5494218244.

It can be written as a sum of positive squares in 4 ways, for example, as 912583681 + 3515541264 = 30209^2 + 59292^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4428124945 - 2¹³ = 4428116753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423502 + ... + 433831.

It is an arithmetic number, because the mean of its divisors is an integer number (664862517).

Almost surely, 2^4428124945 is an apocalyptic number.

It is an amenable number.

4428124945 is a deficient number, since it is larger than the sum of its proper divisors (890775191).

4428124945 is a wasteful number, since it uses less digits than its factorization.

4428124945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858371.

The product of its digits is 368640, while the sum is 43.

The square root of 4428124945 is about 66544.1578577714. The cubic root of 4428124945 is about 1642.1265474592.

The spelling of 4428124945 in words is "four billion, four hundred twenty-eight million, one hundred twenty-four thousand, nine hundred forty-five".