50426746264781 has 2 divisors, whose sum is σ = 50426746264782. Its totient is φ = 50426746264780.

The previous prime is 50426746264777. The next prime is 50426746264837. The reversal of 50426746264781 is 18746264762405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46760172335881 + 3666573928900 = 6838141^2 + 1914830^2 .

It is a cyclic number.

It is not a de Polignac number, because 50426746264781 - 2² = 50426746264777 is a prime.

It is a super-2 number, since 2×50426746264781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50426746264381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25213373132390 + 25213373132391.

It is an arithmetic number, because the mean of its divisors is an integer number (25213373132391).

Almost surely, 2^{50426746264781} is an apocalyptic number.

It is an amenable number.

50426746264781 is a deficient number, since it is larger than the sum of its proper divisors (1).

50426746264781 is an equidigital number, since it uses as much as digits as its factorization.

50426746264781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108380160, while the sum is 62.

The spelling of 50426746264781 in words is "fifty trillion, four hundred twenty-six billion, seven hundred forty-six million, two hundred sixty-four thousand, seven hundred eighty-one".