16963898849 has 8 divisors (see below), whose sum is σ = 17042835240. Its totient is φ = 16885080576.

The previous prime is 16963898843. The next prime is 16963898873. The reversal of 16963898849 is 94889836961.

16963898849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7957888849 + 9006010000 = 89207^2 + 94900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16963898849 - 2²⁰ = 16962850273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16963898843) 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 7 ways as a sum of consecutive naturals, for example, 265169 + ... + 322865.

It is an arithmetic number, because the mean of its divisors is an integer number (2130354405).

Almost surely, 2^16963898849 is an apocalyptic number.

It is an amenable number.

16963898849 is a deficient number, since it is larger than the sum of its proper divisors (78936391).

16963898849 is a wasteful number, since it uses less digits than its factorization.

16963898849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59059.

The product of its digits is 161243136, while the sum is 71.

The spelling of 16963898849 in words is "sixteen billion, nine hundred sixty-three million, eight hundred ninety-eight thousand, eight hundred forty-nine".