50756980013 has 2 divisors, whose sum is σ = 50756980014. Its totient is φ = 50756980012.

The previous prime is 50756979997. The next prime is 50756980031. The reversal of 50756980013 is 31008965705.

50756980013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (50756980031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49978179364 + 778800649 = 223558^2 + 27907^2 .

It is a cyclic number.

It is not a de Polignac number, because 50756980013 - 2⁴ = 50756979997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50756980913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25378490006 + 25378490007.

It is an arithmetic number, because the mean of its divisors is an integer number (25378490007).

Almost surely, 2^50756980013 is an apocalyptic number.

It is an amenable number.

50756980013 is a deficient number, since it is larger than the sum of its proper divisors (1).

50756980013 is an equidigital number, since it uses as much as digits as its factorization.

50756980013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 50756980013 in words is "fifty billion, seven hundred fifty-six million, nine hundred eighty thousand, thirteen".