16793993213 has 2 divisors, whose sum is σ = 16793993214. Its totient is φ = 16793993212.

The previous prime is 16793993197. The next prime is 16793993263. The reversal of 16793993213 is 31239939761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12302580889 + 4491412324 = 110917^2 + 67018^2 .

It is a cyclic number.

It is not a de Polignac number, because 16793993213 - 2⁴ = 16793993197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16793993263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8396996606 + 8396996607.

It is an arithmetic number, because the mean of its divisors is an integer number (8396996607).

Almost surely, 2^16793993213 is an apocalyptic number.

It is an amenable number.

16793993213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16793993213 is an equidigital number, since it uses as much as digits as its factorization.

16793993213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 53.

The spelling of 16793993213 in words is "sixteen billion, seven hundred ninety-three million, nine hundred ninety-three thousand, two hundred thirteen".