1485579673 has 4 divisors (see below), whose sum is σ = 1489788468. Its totient is φ = 1481370880.

The previous prime is 1485579659. The next prime is 1485579707. The reversal of 1485579673 is 3769755841.

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 644753664 + 840826009 = 25392^2 + 28997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485579673 - 2¹³ = 1485571481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485579643) 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, 2103868 + ... + 2104573.

It is an arithmetic number, because the mean of its divisors is an integer number (372447117).

Almost surely, 2^1485579673 is an apocalyptic number.

It is an amenable number.

1485579673 is a deficient number, since it is larger than the sum of its proper divisors (4208795).

1485579673 is an equidigital number, since it uses as much as digits as its factorization.

1485579673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208794.

The product of its digits is 6350400, while the sum is 55.

The square root of 1485579673 is about 38543.2182491291. The cubic root of 1485579673 is about 1141.0341679984.

The spelling of 1485579673 in words is "one billion, four hundred eighty-five million, five hundred seventy-nine thousand, six hundred seventy-three".