16363452653 has 2 divisors, whose sum is σ = 16363452654. Its totient is φ = 16363452652.

The previous prime is 16363452583. The next prime is 16363452661. The reversal of 16363452653 is 35625436361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14612699689 + 1750752964 = 120883^2 + 41842^2 .

It is a cyclic number.

It is not a de Polignac number, because 16363452653 - 2¹⁴ = 16363436269 is a prime.

It is a Sophie Germain 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 (16363455653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8181726326 + 8181726327.

It is an arithmetic number, because the mean of its divisors is an integer number (8181726327).

Almost surely, 2^16363452653 is an apocalyptic number.

It is an amenable number.

16363452653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16363452653 is an equidigital number, since it uses as much as digits as its factorization.

16363452653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 44.

The spelling of 16363452653 in words is "sixteen billion, three hundred sixty-three million, four hundred fifty-two thousand, six hundred fifty-three".