16489793259 has 24 divisors (see below), whose sum is σ = 25003060992. Its totient is φ = 10452243120.

The previous prime is 16489793233. The next prime is 16489793273. The reversal of 16489793259 is 95239798461.

16489793259 is a `hidden beast` number, since 1 + 6 + 489 + 79 + 32 + 59 = 666.

It is not a de Polignac number, because 16489793259 - 2⁵ = 16489793227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16489793196 and 16489793205.

It is not an unprimeable number, because it can be changed into a prime (16489793659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203937 + ... + 273074.

It is an arithmetic number, because the mean of its divisors is an integer number (1041794208).

Almost surely, 2^16489793259 is an apocalyptic number.

16489793259 is a deficient number, since it is larger than the sum of its proper divisors (8513267733).

16489793259 is a wasteful number, since it uses less digits than its factorization.

16489793259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477207 (or 477204 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 16489793259 in words is "sixteen billion, four hundred eighty-nine million, seven hundred ninety-three thousand, two hundred fifty-nine".