50596369781 has 2 divisors, whose sum is σ = 50596369782. Its totient is φ = 50596369780.

The previous prime is 50596369777. The next prime is 50596369807. The reversal of 50596369781 is 18796369505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49181932900 + 1414436881 = 221770^2 + 37609^2 .

It is a cyclic number.

It is not a de Polignac number, because 50596369781 - 2² = 50596369777 is a prime.

It is a super-2 number, since 2×50596369781² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50596369781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50596369741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25298184890 + 25298184891.

It is an arithmetic number, because the mean of its divisors is an integer number (25298184891).

Almost surely, 2^50596369781 is an apocalyptic number.

It is an amenable number.

50596369781 is a deficient number, since it is larger than the sum of its proper divisors (1).

50596369781 is an equidigital number, since it uses as much as digits as its factorization.

50596369781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 50596369781 in words is "fifty billion, five hundred ninety-six million, three hundred sixty-nine thousand, seven hundred eighty-one".