16828844731 has 4 divisors (see below), whose sum is σ = 17818776792. Its totient is φ = 15838912672.

The previous prime is 16828844699. The next prime is 16828844737. The reversal of 16828844731 is 13744882861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13744882861 = 79 ⋅173985859.

It is a cyclic number.

It is not a de Polignac number, because 16828844731 - 2⁵ = 16828844699 is a prime.

It is a super-2 number, since 2×16828844731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16828844737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494966005 + ... + 494966038.

It is an arithmetic number, because the mean of its divisors is an integer number (4454694198).

Almost surely, 2^16828844731 is an apocalyptic number.

16828844731 is a deficient number, since it is larger than the sum of its proper divisors (989932061).

16828844731 is an equidigital number, since it uses as much as digits as its factorization.

16828844731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989932060.

The product of its digits is 2064384, while the sum is 52.

The spelling of 16828844731 in words is "sixteen billion, eight hundred twenty-eight million, eight hundred forty-four thousand, seven hundred thirty-one".