16309761489 has 24 divisors (see below), whose sum is σ = 26997451520. Its totient is φ = 9294455808.

The previous prime is 16309761473. The next prime is 16309761491. The reversal of 16309761489 is 98416790361.

16309761489 is a `hidden beast` number, since 16 + 3 + 0 + 9 + 7 + 614 + 8 + 9 = 666.

16309761489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16309761489 - 2⁴ = 16309761473 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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16309761089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329584 + ... + 375825.

Almost surely, 2^16309761489 is an apocalyptic number.

It is an amenable number.

16309761489 is a deficient number, since it is larger than the sum of its proper divisors (10687690031).

16309761489 is a wasteful number, since it uses less digits than its factorization.

16309761489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705789 (or 705786 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 16309761489 in words is "sixteen billion, three hundred nine million, seven hundred sixty-one thousand, four hundred eighty-nine".