8538537853 has 2 divisors, whose sum is σ = 8538537854. Its totient is φ = 8538537852.

The previous prime is 8538537797. The next prime is 8538537859. The reversal of 8538537853 is 3587358358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5300131204 + 3238406649 = 72802^2 + 56907^2 .

It is a cyclic number.

It is not a de Polignac number, because 8538537853 - 2⁹ = 8538537341 is a prime.

It is a super-2 number, since 2×8538537853² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8538537794 and 8538537803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8538537859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269268926 + 4269268927.

It is an arithmetic number, because the mean of its divisors is an integer number (4269268927).

Almost surely, 2^8538537853 is an apocalyptic number.

It is an amenable number.

8538537853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8538537853 is an equidigital number, since it uses as much as digits as its factorization.

8538537853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 55.

The square root of 8538537853 is about 92404.2090653884. The cubic root of 8538537853 is about 2043.9071803374.

The spelling of 8538537853 in words is "eight billion, five hundred thirty-eight million, five hundred thirty-seven thousand, eight hundred fifty-three".