50061644641 has 2 divisors, whose sum is σ = 50061644642. Its totient is φ = 50061644640.

The previous prime is 50061644623. The next prime is 50061644669. The reversal of 50061644641 is 14644616005.

50061644641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49693772241 + 367872400 = 222921^2 + 19180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50061644641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50061644641.

It is not a weakly prime, because it can be changed into another prime (50061644141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030822320 + 25030822321.

It is an arithmetic number, because the mean of its divisors is an integer number (25030822321).

Almost surely, 2^50061644641 is an apocalyptic number.

It is an amenable number.

50061644641 is a deficient number, since it is larger than the sum of its proper divisors (1).

50061644641 is an equidigital number, since it uses as much as digits as its factorization.

50061644641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 50061644641 in words is "fifty billion, sixty-one million, six hundred forty-four thousand, six hundred forty-one".