8538011533 has 2 divisors, whose sum is σ = 8538011534. Its totient is φ = 8538011532.

The previous prime is 8538011509. The next prime is 8538011543. The reversal of 8538011533 is 3351108358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6567805764 + 1970205769 = 81042^2 + 44387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8538011533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8538011492 and 8538011501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8538011543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269005766 + 4269005767.

It is an arithmetic number, because the mean of its divisors is an integer number (4269005767).

Almost surely, 2^8538011533 is an apocalyptic number.

It is an amenable number.

8538011533 is a deficient number, since it is larger than the sum of its proper divisors (1).

8538011533 is an equidigital number, since it uses as much as digits as its factorization.

8538011533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 8538011533 is about 92401.3610992825. The cubic root of 8538011533 is about 2043.8651836338.

The spelling of 8538011533 in words is "eight billion, five hundred thirty-eight million, eleven thousand, five hundred thirty-three".