16434566742313 has 4 divisors (see below), whose sum is σ = 16506333409540. Its totient is φ = 16362800075088.

The previous prime is 16434566742299. The next prime is 16434566742359. The reversal of 16434566742313 is 31324766543461.

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 15367866114969 + 1066700627344 = 3920187^2 + 1032812^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434566742313 - 2¹³ = 16434566734121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16434566742383) 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, 35883333270 + ... + 35883333727.

It is an arithmetic number, because the mean of its divisors is an integer number (4126583352385).

Almost surely, 2^{16434566742313} is an apocalyptic number.

It is an amenable number.

16434566742313 is a deficient number, since it is larger than the sum of its proper divisors (71766667227).

16434566742313 is an equidigital number, since it uses as much as digits as its factorization.

16434566742313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71766667226.

The product of its digits is 26127360, while the sum is 55.

The spelling of 16434566742313 in words is "sixteen trillion, four hundred thirty-four billion, five hundred sixty-six million, seven hundred forty-two thousand, three hundred thirteen".