16789869193 has 4 divisors (see below), whose sum is σ = 16800837328. Its totient is φ = 16778901060.

The previous prime is 16789869163. The next prime is 16789869197. The reversal of 16789869193 is 39196898761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16789869193 - 2¹³ = 16789861001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16789869197) 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, 5481771 + ... + 5484832.

It is an arithmetic number, because the mean of its divisors is an integer number (4200209332).

Almost surely, 2^16789869193 is an apocalyptic number.

It is an amenable number.

16789869193 is a deficient number, since it is larger than the sum of its proper divisors (10968135).

16789869193 is a wasteful number, since it uses less digits than its factorization.

16789869193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968134.

The product of its digits is 35271936, while the sum is 67.

The spelling of 16789869193 in words is "sixteen billion, seven hundred eighty-nine million, eight hundred sixty-nine thousand, one hundred ninety-three".