36521366633 has 2 divisors, whose sum is σ = 36521366634. Its totient is φ = 36521366632.

The previous prime is 36521366627. The next prime is 36521366641. The reversal of 36521366633 is 33666312563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34223890009 + 2297476624 = 184997^2 + 47932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36521366633 is a prime.

It is not a weakly prime, because it can be changed into another prime (36521366683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18260683316 + 18260683317.

It is an arithmetic number, because the mean of its divisors is an integer number (18260683317).

Almost surely, 2^36521366633 is an apocalyptic number.

It is an amenable number.

36521366633 is a deficient number, since it is larger than the sum of its proper divisors (1).

36521366633 is an equidigital number, since it uses as much as digits as its factorization.

36521366633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 44.

The spelling of 36521366633 in words is "thirty-six billion, five hundred twenty-one million, three hundred sixty-six thousand, six hundred thirty-three".