16341485309 has 4 divisors (see below), whose sum is σ = 16342188540. Its totient is φ = 16340782080.

The previous prime is 16341485273. The next prime is 16341485311. The reversal of 16341485309 is 90358414361.

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 11635936900 + 4705548409 = 107870^2 + 68597^2 .

It is a cyclic number.

It is not a de Polignac number, because 16341485309 - 2⁸ = 16341485053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16341485309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16341485339) 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, 315524 + ... + 363645.

It is an arithmetic number, because the mean of its divisors is an integer number (4085547135).

Almost surely, 2^16341485309 is an apocalyptic number.

It is an amenable number.

16341485309 is a deficient number, since it is larger than the sum of its proper divisors (703231).

16341485309 is an equidigital number, since it uses as much as digits as its factorization.

16341485309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703230.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16341485309 in words is "sixteen billion, three hundred forty-one million, four hundred eighty-five thousand, three hundred nine".