36521743393 has 2 divisors, whose sum is σ = 36521743394. Its totient is φ = 36521743392.

The previous prime is 36521743337. The next prime is 36521743403. The reversal of 36521743393 is 39334712563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30423382929 + 6098360464 = 174423^2 + 78092^2 .

It is a cyclic number.

It is not a de Polignac number, because 36521743393 - 2²⁹ = 35984872481 is a prime.

It is not a weakly prime, because it can be changed into another prime (36521743303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18260871696 + 18260871697.

It is an arithmetic number, because the mean of its divisors is an integer number (18260871697).

Almost surely, 2^36521743393 is an apocalyptic number.

It is an amenable number.

36521743393 is a deficient number, since it is larger than the sum of its proper divisors (1).

36521743393 is an equidigital number, since it uses as much as digits as its factorization.

36521743393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 46.

The spelling of 36521743393 in words is "thirty-six billion, five hundred twenty-one million, seven hundred forty-three thousand, three hundred ninety-three".