16919018341 has 4 divisors (see below), whose sum is σ = 17914254732. Its totient is φ = 15923781952.

The previous prime is 16919018323. The next prime is 16919018401. The reversal of 16919018341 is 14381091961.

It is a happy number.

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 13014018241 + 3905000100 = 114079^2 + 62490^2 .

It is not a de Polignac number, because 16919018341 - 2¹⁹ = 16918494053 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 (16919018741) 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, 497618170 + ... + 497618203.

It is an arithmetic number, because the mean of its divisors is an integer number (4478563683).

Almost surely, 2^16919018341 is an apocalyptic number.

It is an amenable number.

16919018341 is a deficient number, since it is larger than the sum of its proper divisors (995236391).

16919018341 is an equidigital number, since it uses as much as digits as its factorization.

16919018341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995236390.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 16919018341 in words is "sixteen billion, nine hundred nineteen million, eighteen thousand, three hundred forty-one".