4424748561 has 6 divisors (see below), whose sum is σ = 6391303490. Its totient is φ = 2949832368.

The previous prime is 4424748553. The next prime is 4424748701. The reversal of 4424748561 is 1658474244.

4424748561 is a `hidden beast` number, since 4 + 4 + 2 + 47 + 48 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2486019600 + 1938728961 = 49860^2 + 44031^2 .

It is not a de Polignac number, because 4424748561 - 2³ = 4424748553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4424748511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245819356 + ... + 245819373.

Almost surely, 2^4424748561 is an apocalyptic number.

It is an amenable number.

4424748561 is a deficient number, since it is larger than the sum of its proper divisors (1966554929).

4424748561 is a wasteful number, since it uses less digits than its factorization.

4424748561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491638735 (or 491638732 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 4424748561 is about 66518.7835201456. The cubic root of 4424748561 is about 1641.7090750787.

The spelling of 4424748561 in words is "four billion, four hundred twenty-four million, seven hundred forty-eight thousand, five hundred sixty-one".