16463789 has 2 divisors, whose sum is σ = 16463790. Its totient is φ = 16463788.

The previous prime is 16463749. The next prime is 16463807. The reversal of 16463789 is 98736461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 126025 = 4042^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 16463789 - 2⁸ = 16463533 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16463729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8231894 + 8231895.

It is an arithmetic number, because the mean of its divisors is an integer number (8231895).

Almost surely, 2^16463789 is an apocalyptic number.

It is an amenable number.

16463789 is a deficient number, since it is larger than the sum of its proper divisors (1).

16463789 is an equidigital number, since it uses as much as digits as its factorization.

16463789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 16463789 is about 4057.5594881653. The cubic root of 16463789 is about 254.3957962219.

The spelling of 16463789 in words is "sixteen million, four hundred sixty-three thousand, seven hundred eighty-nine".