13516189853 has 2 divisors, whose sum is σ = 13516189854. Its totient is φ = 13516189852.

The previous prime is 13516189837. The next prime is 13516189931. The reversal of 13516189853 is 35898161531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13515922564 + 267289 = 116258^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 13516189853 - 2⁴ = 13516189837 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 (13516119853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6758094926 + 6758094927.

It is an arithmetic number, because the mean of its divisors is an integer number (6758094927).

Almost surely, 2^13516189853 is an apocalyptic number.

It is an amenable number.

13516189853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13516189853 is an equidigital number, since it uses as much as digits as its factorization.

13516189853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 50.

The spelling of 13516189853 in words is "thirteen billion, five hundred sixteen million, one hundred eighty-nine thousand, eight hundred fifty-three".