36674728661 has 2 divisors, whose sum is σ = 36674728662. Its totient is φ = 36674728660.

The previous prime is 36674728627. The next prime is 36674728679. The reversal of 36674728661 is 16682747663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36674548036 + 180625 = 191506^2 + 425^2 .

It is an emirp because it is prime and its reverse (16682747663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36674728661 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36674728597 and 36674728606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36674728621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18337364330 + 18337364331.

It is an arithmetic number, because the mean of its divisors is an integer number (18337364331).

Almost surely, 2^36674728661 is an apocalyptic number.

It is an amenable number.

36674728661 is a deficient number, since it is larger than the sum of its proper divisors (1).

36674728661 is an equidigital number, since it uses as much as digits as its factorization.

36674728661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 56.

The spelling of 36674728661 in words is "thirty-six billion, six hundred seventy-four million, seven hundred twenty-eight thousand, six hundred sixty-one".