16227272849 has 2 divisors, whose sum is σ = 16227272850. Its totient is φ = 16227272848.

The previous prime is 16227272783. The next prime is 16227272903. The reversal of 16227272849 is 94827272261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13225000000 + 3002272849 = 115000^2 + 54793^2 .

It is a cyclic number.

It is not a de Polignac number, because 16227272849 - 2¹² = 16227268753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16227272797 and 16227272806.

It is not a weakly prime, because it can be changed into another prime (16227292849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113636424 + 8113636425.

It is an arithmetic number, because the mean of its divisors is an integer number (8113636425).

Almost surely, 2^16227272849 is an apocalyptic number.

It is an amenable number.

16227272849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16227272849 is an equidigital number, since it uses as much as digits as its factorization.

16227272849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The spelling of 16227272849 in words is "sixteen billion, two hundred twenty-seven million, two hundred seventy-two thousand, eight hundred forty-nine".