4231609885 has 4 divisors (see below), whose sum is σ = 5077931868. Its totient is φ = 3385287904.

The previous prime is 4231609883. The next prime is 4231609933. The reversal of 4231609885 is 5889061324.

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 1412106084 + 2819503801 = 37578^2 + 53099^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231609885 - 2¹ = 4231609883 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 (4231609883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423160984 + ... + 423160993.

It is an arithmetic number, because the mean of its divisors is an integer number (1269482967).

Almost surely, 2^4231609885 is an apocalyptic number.

It is an amenable number.

4231609885 is a deficient number, since it is larger than the sum of its proper divisors (846321983).

4231609885 is an equidigital number, since it uses as much as digits as its factorization.

4231609885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846321982.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 4231609885 is about 65050.8253982991. The cubic root of 4231609885 is about 1617.4661762422.

The spelling of 4231609885 in words is "four billion, two hundred thirty-one million, six hundred nine thousand, eight hundred eighty-five".