50495205643 has 2 divisors, whose sum is σ = 50495205644. Its totient is φ = 50495205642.

The previous prime is 50495205577. The next prime is 50495205727. The reversal of 50495205643 is 34650259405.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50495205643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50495205643.

It is not a weakly prime, because it can be changed into another prime (50495205143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25247602821 + 25247602822.

It is an arithmetic number, because the mean of its divisors is an integer number (25247602822).

Almost surely, 2^50495205643 is an apocalyptic number.

50495205643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50495205643 is an equidigital number, since it uses as much as digits as its factorization.

50495205643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 50495205643 in words is "fifty billion, four hundred ninety-five million, two hundred five thousand, six hundred forty-three".