16796749693 has 4 divisors (see below), whose sum is σ = 16801085980. Its totient is φ = 16792413408.

The previous prime is 16796749643. The next prime is 16796749709. The reversal of 16796749693 is 39694769761.

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 4240874884 + 12555874809 = 65122^2 + 112053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16796749693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16796749643) 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, 2162328 + ... + 2170081.

It is an arithmetic number, because the mean of its divisors is an integer number (4200271495).

Almost surely, 2^16796749693 is an apocalyptic number.

It is an amenable number.

16796749693 is a deficient number, since it is larger than the sum of its proper divisors (4336287).

16796749693 is an equidigital number, since it uses as much as digits as its factorization.

16796749693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336286.

The product of its digits is 92588832, while the sum is 67.

The spelling of 16796749693 in words is "sixteen billion, seven hundred ninety-six million, seven hundred forty-nine thousand, six hundred ninety-three".