4744867689 has 9 divisors (see below), whose sum is σ = 6853996279. Its totient is φ = 3163107360.

The previous prime is 4744867669. The next prime is 4744867691. The reversal of 4744867689 is 9867684474.

The square root of 4744867689 is 68883.

It is a perfect power (a square), and thus also a powerful number.

4744867689 is a `hidden beast` number, since 4 + 7 + 4 + 486 + 76 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3279509289 + 1465358400 = 57267^2 + 38280^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4744867689 - 2⁹ = 4744867177 is a prime.

It is a super-2 number, since 2×4744867689² = 45027538772232401442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4744867609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 195169 + ... + 218129.

Almost surely, 2^4744867689 is an apocalyptic number.

4744867689 is the 68883-rd square number.

4744867689 is the 34442-nd centered octagonal number.

It is an amenable number.

4744867689 is a deficient number, since it is larger than the sum of its proper divisors (2109128590).

4744867689 is an frugal number, since it uses more digits than its factorization.

4744867689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45928 (or 22964 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The cubic root of 4744867689 is about 1680.3820570280.

The spelling of 4744867689 in words is "four billion, seven hundred forty-four million, eight hundred sixty-seven thousand, six hundred eighty-nine".