1489527673 has 4 divisors (see below), whose sum is σ = 1510507008. Its totient is φ = 1468548340.

The previous prime is 1489527659. The next prime is 1489527691. The reversal of 1489527673 is 3767259841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3767259841 = 31 ⋅121524511.

It is a cyclic number.

It is not a de Polignac number, because 1489527673 - 2⁹ = 1489527161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1489527673.

It is not an unprimeable number, because it can be changed into a prime (1489527653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10489561 + ... + 10489702.

It is an arithmetic number, because the mean of its divisors is an integer number (377626752).

Almost surely, 2^1489527673 is an apocalyptic number.

It is an amenable number.

1489527673 is a deficient number, since it is larger than the sum of its proper divisors (20979335).

1489527673 is an equidigital number, since it uses as much as digits as its factorization.

1489527673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20979334.

The product of its digits is 2540160, while the sum is 52.

The square root of 1489527673 is about 38594.3995030367. The cubic root of 1489527673 is about 1142.0440584542.

The spelling of 1489527673 in words is "one billion, four hundred eighty-nine million, five hundred twenty-seven thousand, six hundred seventy-three".