50538262613 has 2 divisors, whose sum is σ = 50538262614. Its totient is φ = 50538262612.

The previous prime is 50538262603. The next prime is 50538262639. The reversal of 50538262613 is 31626283505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28418542084 + 22119720529 = 168578^2 + 148727^2 .

It is a cyclic number.

It is not a de Polignac number, because 50538262613 - 2²⁴ = 50521485397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50538262603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25269131306 + 25269131307.

It is an arithmetic number, because the mean of its divisors is an integer number (25269131307).

Almost surely, 2^50538262613 is an apocalyptic number.

It is an amenable number.

50538262613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50538262613 is an equidigital number, since it uses as much as digits as its factorization.

50538262613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 50538262613 in words is "fifty billion, five hundred thirty-eight million, two hundred sixty-two thousand, six hundred thirteen".