16409305741 has 4 divisors (see below), whose sum is σ = 16975143900. Its totient is φ = 15843467584.

The previous prime is 16409305727. The next prime is 16409305763. The reversal of 16409305741 is 14750390461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14750390461 = 41 ⋅359765621.

It can be written as a sum of positive squares in 2 ways, for example, as 6177174025 + 10232131716 = 78595^2 + 101154^2 .

It is a cyclic number.

It is not a de Polignac number, because 16409305741 - 2⁷ = 16409305613 is a prime.

It is a super-3 number, since 3×16409305741³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16409305694 and 16409305703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16409305441) 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, 282919036 + ... + 282919093.

It is an arithmetic number, because the mean of its divisors is an integer number (4243785975).

Almost surely, 2^16409305741 is an apocalyptic number.

It is an amenable number.

16409305741 is a deficient number, since it is larger than the sum of its proper divisors (565838159).

16409305741 is an equidigital number, since it uses as much as digits as its factorization.

16409305741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565838158.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 16409305741 in words is "sixteen billion, four hundred nine million, three hundred five thousand, seven hundred forty-one".