4389328261 has 16 divisors (see below), whose sum is σ = 4565207808. Its totient is φ = 4217169600.

The previous prime is 4389328253. The next prime is 4389328283. The reversal of 4389328261 is 1628239834.

It is a cyclic number.

It is not a de Polignac number, because 4389328261 - 2³ = 4389328253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389328291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842291 + ... + 1844671.

It is an arithmetic number, because the mean of its divisors is an integer number (285325488).

Almost surely, 2^4389328261 is an apocalyptic number.

It is an amenable number.

4389328261 is a deficient number, since it is larger than the sum of its proper divisors (175879547).

4389328261 is a wasteful number, since it uses less digits than its factorization.

4389328261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132.

The product of its digits is 497664, while the sum is 46.

The square root of 4389328261 is about 66252.0057130348. The cubic root of 4389328261 is about 1637.3166834470.

The spelling of 4389328261 in words is "four billion, three hundred eighty-nine million, three hundred twenty-eight thousand, two hundred sixty-one".