1489452841 has 4 divisors (see below), whose sum is σ = 1577067732. Its totient is φ = 1401837952.

The previous prime is 1489452829. The next prime is 1489452851. The reversal of 1489452841 is 1482549841.

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 696748816 + 792704025 = 26396^2 + 28155^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1489452841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1489452791 and 1489452800.

It is not an unprimeable number, because it can be changed into a prime (1489452851) 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 3 ways as a sum of consecutive naturals, for example, 43807420 + ... + 43807453.

It is an arithmetic number, because the mean of its divisors is an integer number (394266933).

Almost surely, 2^1489452841 is an apocalyptic number.

It is an amenable number.

1489452841 is a deficient number, since it is larger than the sum of its proper divisors (87614891).

1489452841 is an equidigital number, since it uses as much as digits as its factorization.

1489452841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87614890.

The product of its digits is 368640, while the sum is 46.

The square root of 1489452841 is about 38593.4300237748. The cubic root of 1489452841 is about 1142.0249331807.

The spelling of 1489452841 in words is "one billion, four hundred eighty-nine million, four hundred fifty-two thousand, eight hundred forty-one".