1448036689 has 4 divisors (see below), whose sum is σ = 1579676400. Its totient is φ = 1316396980.

The previous prime is 1448036669. The next prime is 1448036701. The reversal of 1448036689 is 9866308441.

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.

It is a cyclic number.

It is not a de Polignac number, because 1448036689 - 2¹⁷ = 1447905617 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448036609) 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, 65819839 + ... + 65819860.

It is an arithmetic number, because the mean of its divisors is an integer number (394919100).

Almost surely, 2^1448036689 is an apocalyptic number.

It is an amenable number.

1448036689 is a deficient number, since it is larger than the sum of its proper divisors (131639711).

1448036689 is a wasteful number, since it uses less digits than its factorization.

1448036689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131639710.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1448036689 is about 38053.0772605843. The cubic root of 1448036689 is about 1131.3401201914.

The spelling of 1448036689 in words is "one billion, four hundred forty-eight million, thirty-six thousand, six hundred eighty-nine".