8541541633 has 2 divisors, whose sum is σ = 8541541634. Its totient is φ = 8541541632.

The previous prime is 8541541559. The next prime is 8541541643. The reversal of 8541541633 is 3361451458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5380515904 + 3161025729 = 73352^2 + 56223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8541541633 is a prime.

It is not a weakly prime, because it can be changed into another prime (8541541643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270770816 + 4270770817.

It is an arithmetic number, because the mean of its divisors is an integer number (4270770817).

Almost surely, 2^8541541633 is an apocalyptic number.

It is an amenable number.

8541541633 is a deficient number, since it is larger than the sum of its proper divisors (1).

8541541633 is an equidigital number, since it uses as much as digits as its factorization.

8541541633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 8541541633 is about 92420.4611165731. The cubic root of 8541541633 is about 2044.1468282265.

The spelling of 8541541633 in words is "eight billion, five hundred forty-one million, five hundred forty-one thousand, six hundred thirty-three".