16450913305 has 4 divisors (see below), whose sum is σ = 19741095972. Its totient is φ = 13160730640.

The previous prime is 16450913299. The next prime is 16450913309. The reversal of 16450913305 is 50331905461.

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 4261870089 + 12189043216 = 65283^2 + 110404^2 .

It is not a de Polignac number, because 16450913305 - 2¹⁹ = 16450389017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16450913309) 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, 1645091326 + ... + 1645091335.

It is an arithmetic number, because the mean of its divisors is an integer number (4935273993).

Almost surely, 2^16450913305 is an apocalyptic number.

It is an amenable number.

16450913305 is a deficient number, since it is larger than the sum of its proper divisors (3290182667).

16450913305 is an equidigital number, since it uses as much as digits as its factorization.

16450913305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290182666.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 16450913305 in words is "sixteen billion, four hundred fifty million, nine hundred thirteen thousand, three hundred five".