3685200521867 has 2 divisors, whose sum is σ = 3685200521868. Its totient is φ = 3685200521866.

The previous prime is 3685200521843. The next prime is 3685200521953. The reversal of 3685200521867 is 7681250025863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3685200521867 - 2⁶ = 3685200521803 is a prime.

It is not a weakly prime, because it can be changed into another prime (3685200523867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842600260933 + 1842600260934.

It is an arithmetic number, because the mean of its divisors is an integer number (1842600260934).

Almost surely, 2^{3685200521867} is an apocalyptic number.

3685200521867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685200521867 is an equidigital number, since it uses as much as digits as its factorization.

3685200521867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 3685200521867 in words is "three trillion, six hundred eighty-five billion, two hundred million, five hundred twenty-one thousand, eight hundred sixty-seven".