250791279793 has 2 divisors, whose sum is σ = 250791279794. Its totient is φ = 250791279792.

The previous prime is 250791279769. The next prime is 250791279811. The reversal of 250791279793 is 397972197052.

250791279793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220658486049 + 30132793744 = 469743^2 + 173588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250791279793 is a prime.

It is not a weakly prime, because it can be changed into another prime (250791276793) 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, 125395639896 + 125395639897.

It is an arithmetic number, because the mean of its divisors is an integer number (125395639897).

Almost surely, 2^250791279793 is an apocalyptic number.

It is an amenable number.

250791279793 is a deficient number, since it is larger than the sum of its proper divisors (1).

250791279793 is an equidigital number, since it uses as much as digits as its factorization.

250791279793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15002820, while the sum is 61.

The spelling of 250791279793 in words is "two hundred fifty billion, seven hundred ninety-one million, two hundred seventy-nine thousand, seven hundred ninety-three".