36674607721 has 2 divisors, whose sum is σ = 36674607722. Its totient is φ = 36674607720.

The previous prime is 36674607677. The next prime is 36674607727. The reversal of 36674607721 is 12770647663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23951895696 + 12722712025 = 154764^2 + 112795^2 .

It is a cyclic number.

It is not a de Polignac number, because 36674607721 - 2¹³ = 36674599529 is a prime.

It is not a weakly prime, because it can be changed into another prime (36674607727) 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, 18337303860 + 18337303861.

It is an arithmetic number, because the mean of its divisors is an integer number (18337303861).

Almost surely, 2^36674607721 is an apocalyptic number.

It is an amenable number.

36674607721 is a deficient number, since it is larger than the sum of its proper divisors (1).

36674607721 is an equidigital number, since it uses as much as digits as its factorization.

36674607721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 36674607721 in words is "thirty-six billion, six hundred seventy-four million, six hundred seven thousand, seven hundred twenty-one".