1446909789 has 16 divisors (see below), whose sum is σ = 2149257600. Its totient is φ = 859701696.

The previous prime is 1446909749. The next prime is 1446909791. The reversal of 1446909789 is 9879096441.

It is not a de Polignac number, because 1446909789 - 2¹³ = 1446901597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446909719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638529 + ... + 640790.

It is an arithmetic number, because the mean of its divisors is an integer number (134328600).

Almost surely, 2^1446909789 is an apocalyptic number.

It is an amenable number.

1446909789 is a deficient number, since it is larger than the sum of its proper divisors (702347811).

1446909789 is a wasteful number, since it uses less digits than its factorization.

1446909789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279364.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 1446909789 is about 38038.2674289984. The cubic root of 1446909789 is about 1131.0465645432.

The spelling of 1446909789 in words is "one billion, four hundred forty-six million, nine hundred nine thousand, seven hundred eighty-nine".