16214440273 has 4 divisors (see below), whose sum is σ = 16609914468. Its totient is φ = 15818966080.

The previous prime is 16214440259. The next prime is 16214440321. The reversal of 16214440273 is 37204441261.

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 7608723984 + 8605716289 = 87228^2 + 92767^2 .

It is a cyclic number.

It is not a de Polignac number, because 16214440273 - 2²⁵ = 16180885841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16214440223) 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, 197737036 + ... + 197737117.

It is an arithmetic number, because the mean of its divisors is an integer number (4152478617).

Almost surely, 2^16214440273 is an apocalyptic number.

It is an amenable number.

16214440273 is a deficient number, since it is larger than the sum of its proper divisors (395474195).

16214440273 is an equidigital number, since it uses as much as digits as its factorization.

16214440273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395474194.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 16214440273 in words is "sixteen billion, two hundred fourteen million, four hundred forty thousand, two hundred seventy-three".