50328538722961 has 2 divisors, whose sum is σ = 50328538722962. Its totient is φ = 50328538722960.

The previous prime is 50328538722953. The next prime is 50328538722971. The reversal of 50328538722961 is 16922783582305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33429500330625 + 16899038392336 = 5781825^2 + 4110844^2 .

It is a cyclic number.

It is not a de Polignac number, because 50328538722961 - 2³ = 50328538722953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50328538722961.

It is not a weakly prime, because it can be changed into another prime (50328538722901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25164269361480 + 25164269361481.

It is an arithmetic number, because the mean of its divisors is an integer number (25164269361481).

Almost surely, 2^{50328538722961} is an apocalyptic number.

It is an amenable number.

50328538722961 is a deficient number, since it is larger than the sum of its proper divisors (1).

50328538722961 is an equidigital number, since it uses as much as digits as its factorization.

50328538722961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 50328538722961 in words is "fifty trillion, three hundred twenty-eight billion, five hundred thirty-eight million, seven hundred twenty-two thousand, nine hundred sixty-one".