636046602041 has 2 divisors, whose sum is σ = 636046602042. Its totient is φ = 636046602040.

The previous prime is 636046602019. The next prime is 636046602067. The reversal of 636046602041 is 140206640636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469904766016 + 166141836025 = 685496^2 + 407605^2 .

It is a cyclic number.

It is not a de Polignac number, because 636046602041 - 2⁶ = 636046601977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 636046601986 and 636046602004.

It is not a weakly prime, because it can be changed into another prime (636046602071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318023301020 + 318023301021.

It is an arithmetic number, because the mean of its divisors is an integer number (318023301021).

Almost surely, 2^636046602041 is an apocalyptic number.

It is an amenable number.

636046602041 is a deficient number, since it is larger than the sum of its proper divisors (1).

636046602041 is an equidigital number, since it uses as much as digits as its factorization.

636046602041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 636046602041 in words is "six hundred thirty-six billion, forty-six million, six hundred two thousand, forty-one".