16395419309 has 4 divisors (see below), whose sum is σ = 16442668704. Its totient is φ = 16348169916.

The previous prime is 16395419297. The next prime is 16395419347. The reversal of 16395419309 is 90391459361.

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 16395419309 - 2¹⁶ = 16395353773 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 (16395419009) 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, 23624177 + ... + 23624870.

It is an arithmetic number, because the mean of its divisors is an integer number (4110667176).

Almost surely, 2^16395419309 is an apocalyptic number.

It is an amenable number.

16395419309 is a deficient number, since it is larger than the sum of its proper divisors (47249395).

16395419309 is an equidigital number, since it uses as much as digits as its factorization.

16395419309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47249394.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 16395419309 in words is "sixteen billion, three hundred ninety-five million, four hundred nineteen thousand, three hundred nine".