3231945485 has 4 divisors (see below), whose sum is σ = 3878334588. Its totient is φ = 2585556384.

The previous prime is 3231945481. The next prime is 3231945529. The reversal of 3231945485 is 5845491323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5845491323 = 7 ⋅835070189.

It can be written as a sum of positive squares in 2 ways, for example, as 1434439876 + 1797505609 = 37874^2 + 42397^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231945485 - 2² = 3231945481 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 (3231945481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323194544 + ... + 323194553.

It is an arithmetic number, because the mean of its divisors is an integer number (969583647).

Almost surely, 2^3231945485 is an apocalyptic number.

It is an amenable number.

3231945485 is a deficient number, since it is larger than the sum of its proper divisors (646389103).

3231945485 is an equidigital number, since it uses as much as digits as its factorization.

3231945485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646389102.

The product of its digits is 518400, while the sum is 44.

The square root of 3231945485 is about 56850.2021544339. The cubic root of 3231945485 is about 1478.5000454986.

The spelling of 3231945485 in words is "three billion, two hundred thirty-one million, nine hundred forty-five thousand, four hundred eighty-five".