36653928821 has 2 divisors, whose sum is σ = 36653928822. Its totient is φ = 36653928820.

The previous prime is 36653928811. The next prime is 36653928847. The reversal of 36653928821 is 12882935663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30910562596 + 5743366225 = 175814^2 + 75785^2 .

It is a cyclic number.

It is not a de Polignac number, because 36653928821 - 2¹⁰ = 36653927797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36653928811) 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, 18326964410 + 18326964411.

It is an arithmetic number, because the mean of its divisors is an integer number (18326964411).

Almost surely, 2^36653928821 is an apocalyptic number.

It is an amenable number.

36653928821 is a deficient number, since it is larger than the sum of its proper divisors (1).

36653928821 is an equidigital number, since it uses as much as digits as its factorization.

36653928821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The spelling of 36653928821 in words is "thirty-six billion, six hundred fifty-three million, nine hundred twenty-eight thousand, eight hundred twenty-one".