1449358985 has 8 divisors (see below), whose sum is σ = 1743485640. Its totient is φ = 1156650624.

The previous prime is 1449358951. The next prime is 1449358991. The reversal of 1449358985 is 5898539441.

It can be written as a sum of positive squares in 4 ways, for example, as 174583369 + 1274775616 = 13213^2 + 35704^2 .

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 1449358985 - 2⁶ = 1449358921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1449358985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352322 + ... + 356411.

It is an arithmetic number, because the mean of its divisors is an integer number (217935705).

Almost surely, 2^1449358985 is an apocalyptic number.

It is an amenable number.

1449358985 is a deficient number, since it is larger than the sum of its proper divisors (294126655).

1449358985 is an equidigital number, since it uses as much as digits as its factorization.

1449358985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709147.

The product of its digits is 6220800, while the sum is 56.

The square root of 1449358985 is about 38070.4476595692. The cubic root of 1449358985 is about 1131.6843820468.

The spelling of 1449358985 in words is "one billion, four hundred forty-nine million, three hundred fifty-eight thousand, nine hundred eighty-five".