37694718950813 has 2 divisors, whose sum is σ = 37694718950814. Its totient is φ = 37694718950812.

The previous prime is 37694718950789. The next prime is 37694718950951. The reversal of 37694718950813 is 31805981749673.

37694718950813 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., 23752396091449 + 13942322859364 = 4873643^2 + 3733942^2 .

It is a cyclic number.

It is not a de Polignac number, because 37694718950813 - 2⁸ = 37694718950557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37694718950113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18847359475406 + 18847359475407.

It is an arithmetic number, because the mean of its divisors is an integer number (18847359475407).

Almost surely, 2^{37694718950813} is an apocalyptic number.

It is an amenable number.

37694718950813 is a deficient number, since it is larger than the sum of its proper divisors (1).

37694718950813 is an equidigital number, since it uses as much as digits as its factorization.

37694718950813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274337280, while the sum is 71.

The spelling of 37694718950813 in words is "thirty-seven trillion, six hundred ninety-four billion, seven hundred eighteen million, nine hundred fifty thousand, eight hundred thirteen".