16436369689 has 2 divisors, whose sum is σ = 16436369690. Its totient is φ = 16436369688.

The previous prime is 16436369627. The next prime is 16436369693. The reversal of 16436369689 is 98696363461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10999814400 + 5436555289 = 104880^2 + 73733^2 .

It is a cyclic number.

It is not a de Polignac number, because 16436369689 - 2¹³ = 16436361497 is a prime.

It is not a weakly prime, because it can be changed into another prime (16436319689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8218184844 + 8218184845.

It is an arithmetic number, because the mean of its divisors is an integer number (8218184845).

Almost surely, 2^16436369689 is an apocalyptic number.

It is an amenable number.

16436369689 is a deficient number, since it is larger than the sum of its proper divisors (1).

16436369689 is an equidigital number, since it uses as much as digits as its factorization.

16436369689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 61.

The spelling of 16436369689 in words is "sixteen billion, four hundred thirty-six million, three hundred sixty-nine thousand, six hundred eighty-nine".