1486721889 has 12 divisors (see below), whose sum is σ = 2148057600. Its totient is φ = 990884664.

The previous prime is 1486721881. The next prime is 1486721891. The reversal of 1486721889 is 9881276841.

1486721889 is a `hidden beast` number, since 1 + 486 + 72 + 18 + 89 = 666.

It is not a de Polignac number, because 1486721889 - 2³ = 1486721881 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1486721881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17572 + ... + 57290.

It is an arithmetic number, because the mean of its divisors is an integer number (179004800).

Almost surely, 2^1486721889 is an apocalyptic number.

It is an amenable number.

1486721889 is a deficient number, since it is larger than the sum of its proper divisors (661335711).

1486721889 is a wasteful number, since it uses less digits than its factorization.

1486721889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43884 (or 43881 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 1486721889 is about 38558.0327428670. The cubic root of 1486721889 is about 1141.3265283085.

The spelling of 1486721889 in words is "one billion, four hundred eighty-six million, seven hundred twenty-one thousand, eight hundred eighty-nine".