16484938791 has 4 divisors (see below), whose sum is σ = 21979918392. Its totient is φ = 10989959192.

The previous prime is 16484938763. The next prime is 16484938807. The reversal of 16484938791 is 19783948461.

16484938791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16484938791 - 2¹⁰ = 16484937767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16484938751) 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 3 ways as a sum of consecutive naturals, for example, 2747489796 + ... + 2747489801.

It is an arithmetic number, because the mean of its divisors is an integer number (5494979598).

Almost surely, 2^16484938791 is an apocalyptic number.

16484938791 is a deficient number, since it is larger than the sum of its proper divisors (5494979601).

16484938791 is an equidigital number, since it uses as much as digits as its factorization.

16484938791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494979600.

The product of its digits is 10450944, while the sum is 60.

The spelling of 16484938791 in words is "sixteen billion, four hundred eighty-four million, nine hundred thirty-eight thousand, seven hundred ninety-one".