16279369 has 2 divisors, whose sum is σ = 16279370. Its totient is φ = 16279368.

The previous prime is 16279363. The next prime is 16279379. The reversal of 16279369 is 96397261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 3283344 = 3605^2 + 1812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16279369 is a prime.

It is a super-2 number, since 2×16279369² = 530035710076322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16279363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8139684 + 8139685.

It is an arithmetic number, because the mean of its divisors is an integer number (8139685).

Almost surely, 2^16279369 is an apocalyptic number.

It is an amenable number.

16279369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16279369 is an equidigital number, since it uses as much as digits as its factorization.

16279369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 16279369 is about 4034.7700058368. The cubic root of 16279369 is about 253.4423513170.

The spelling of 16279369 in words is "sixteen million, two hundred seventy-nine thousand, three hundred sixty-nine".