1485609665 has 8 divisors (see below), whose sum is σ = 1782953640. Its totient is φ = 1188339712.

The previous prime is 1485609599. The next prime is 1485609673. The reversal of 1485609665 is 5669065841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34304449 + 1451305216 = 5857^2 + 38096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1485609665 - 2⁸ = 1485609409 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46271 + ... + 71499.

It is an arithmetic number, because the mean of its divisors is an integer number (222869205).

Almost surely, 2^1485609665 is an apocalyptic number.

It is an amenable number.

1485609665 is a deficient number, since it is larger than the sum of its proper divisors (297343975).

1485609665 is a wasteful number, since it uses less digits than its factorization.

1485609665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37011.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 1485609665 is about 38543.6073169079. The cubic root of 1485609665 is about 1141.0418466321.

The spelling of 1485609665 in words is "one billion, four hundred eighty-five million, six hundred nine thousand, six hundred sixty-five".