36543533641 has 2 divisors, whose sum is σ = 36543533642. Its totient is φ = 36543533640.

The previous prime is 36543533633. The next prime is 36543533657. The reversal of 36543533641 is 14633534563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30213740041 + 6329793600 = 173821^2 + 79560^2 .

It is a cyclic number.

It is not a de Polignac number, because 36543533641 - 2³ = 36543533633 is a prime.

It is not a weakly prime, because it can be changed into another prime (36543533441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18271766820 + 18271766821.

It is an arithmetic number, because the mean of its divisors is an integer number (18271766821).

Almost surely, 2^36543533641 is an apocalyptic number.

It is an amenable number.

36543533641 is a deficient number, since it is larger than the sum of its proper divisors (1).

36543533641 is an equidigital number, since it uses as much as digits as its factorization.

36543533641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 43.

The spelling of 36543533641 in words is "thirty-six billion, five hundred forty-three million, five hundred thirty-three thousand, six hundred forty-one".