16944983801 has 4 divisors (see below), whose sum is σ = 17941747572. Its totient is φ = 15948220032.

The previous prime is 16944983789. The next prime is 16944983827. The reversal of 16944983801 is 10838944961.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12242316025 + 4702667776 = 110645^2 + 68576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16944983801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16944983831) 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, 498381860 + ... + 498381893.

It is an arithmetic number, because the mean of its divisors is an integer number (4485436893).

Almost surely, 2^16944983801 is an apocalyptic number.

It is an amenable number.

16944983801 is a deficient number, since it is larger than the sum of its proper divisors (996763771).

16944983801 is an equidigital number, since it uses as much as digits as its factorization.

16944983801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996763770.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 16944983801 in words is "sixteen billion, nine hundred forty-four million, nine hundred eighty-three thousand, eight hundred one".