16693962449 has 8 divisors (see below), whose sum is σ = 16797291840. Its totient is φ = 16590673456.

The previous prime is 16693962443. The next prime is 16693962463. The reversal of 16693962449 is 94426939661.

It is a happy number.

16693962449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16693962449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16693962443) 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, 1567667 + ... + 1578279.

It is an arithmetic number, because the mean of its divisors is an integer number (2099661480).

Almost surely, 2^16693962449 is an apocalyptic number.

It is an amenable number.

16693962449 is a deficient number, since it is larger than the sum of its proper divisors (103329391).

16693962449 is a wasteful number, since it uses less digits than its factorization.

16693962449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199.

The product of its digits is 15116544, while the sum is 59.

The spelling of 16693962449 in words is "sixteen billion, six hundred ninety-three million, nine hundred sixty-two thousand, four hundred forty-nine".