3637079994641 has 2 divisors, whose sum is σ = 3637079994642. Its totient is φ = 3637079994640.

The previous prime is 3637079994623. The next prime is 3637079994661. The reversal of 3637079994641 is 1464999707363.

It is a happy number.

3637079994641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2573871540241 + 1063208454400 = 1604329^2 + 1031120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3637079994641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3637079994661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818539997320 + 1818539997321.

It is an arithmetic number, because the mean of its divisors is an integer number (1818539997321).

Almost surely, 2^{3637079994641} is an apocalyptic number.

It is an amenable number.

3637079994641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3637079994641 is an equidigital number, since it uses as much as digits as its factorization.

3637079994641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185177664, while the sum is 68.

The spelling of 3637079994641 in words is "three trillion, six hundred thirty-seven billion, seventy-nine million, nine hundred ninety-four thousand, six hundred forty-one".