16428006317369 has 4 divisors (see below), whose sum is σ = 16994489293860. Its totient is φ = 15861523340880.

The previous prime is 16428006317339. The next prime is 16428006317377. The reversal of 16428006317369 is 96371360082461.

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 4755103584400 + 11672902732969 = 2180620^2 + 3416563^2 .

It is not a de Polignac number, because 16428006317369 - 2²⁰ = 16428005268793 is a prime.

It is a super-2 number, since 2×16428006317369² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16428006317339) 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, 283241488202 + ... + 283241488259.

It is an arithmetic number, because the mean of its divisors is an integer number (4248622323465).

Almost surely, 2^{16428006317369} is an apocalyptic number.

It is an amenable number.

16428006317369 is a deficient number, since it is larger than the sum of its proper divisors (566482976491).

16428006317369 is an equidigital number, since it uses as much as digits as its factorization.

16428006317369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566482976490.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 16428006317369 in words is "sixteen trillion, four hundred twenty-eight billion, six million, three hundred seventeen thousand, three hundred sixty-nine".