7138631535793 has 2 divisors, whose sum is σ = 7138631535794. Its totient is φ = 7138631535792.

The previous prime is 7138631535773. The next prime is 7138631535821. The reversal of 7138631535793 is 3975351368317.

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., 6901065952144 + 237565583649 = 2626988^2 + 487407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138631535793 is a prime.

It is not a weakly prime, because it can be changed into another prime (7138631535733) 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, 3569315767896 + 3569315767897.

It is an arithmetic number, because the mean of its divisors is an integer number (3569315767897).

Almost surely, 2^{7138631535793} is an apocalyptic number.

It is an amenable number.

7138631535793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138631535793 is an equidigital number, since it uses as much as digits as its factorization.

7138631535793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42865200, while the sum is 61.

The spelling of 7138631535793 in words is "seven trillion, one hundred thirty-eight billion, six hundred thirty-one million, five hundred thirty-five thousand, seven hundred ninety-three".