16274789 has 2 divisors, whose sum is σ = 16274790. Its totient is φ = 16274788.

The previous prime is 16274779. The next prime is 16274873. The reversal of 16274789 is 98747261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 5841889 = 3230^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 16274789 - 2²⁰ = 15226213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16274749) 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, 8137394 + 8137395.

It is an arithmetic number, because the mean of its divisors is an integer number (8137395).

Almost surely, 2^16274789 is an apocalyptic number.

It is an amenable number.

16274789 is a deficient number, since it is larger than the sum of its proper divisors (1).

16274789 is an equidigital number, since it uses as much as digits as its factorization.

16274789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 16274789 is about 4034.2023994837. The cubic root of 16274789 is about 253.4185814596.

The spelling of 16274789 in words is "sixteen million, two hundred seventy-four thousand, seven hundred eighty-nine".