2636351220241 has 2 divisors, whose sum is σ = 2636351220242. Its totient is φ = 2636351220240.

The previous prime is 2636351220227. The next prime is 2636351220319. The reversal of 2636351220241 is 1420221536362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253388274641 + 382962945600 = 1501129^2 + 618840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2636351220241 - 2³³ = 2627761285649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2636351220241.

It is not a weakly prime, because it can be changed into another prime (2636351220341) 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, 1318175610120 + 1318175610121.

It is an arithmetic number, because the mean of its divisors is an integer number (1318175610121).

Almost surely, 2^{2636351220241} is an apocalyptic number.

It is an amenable number.

2636351220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2636351220241 is an equidigital number, since it uses as much as digits as its factorization.

2636351220241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 2636351220241 in words is "two trillion, six hundred thirty-six billion, three hundred fifty-one million, two hundred twenty thousand, two hundred forty-one".