50141210921 has 2 divisors, whose sum is σ = 50141210922. Its totient is φ = 50141210920.

The previous prime is 50141210909. The next prime is 50141210923. The reversal of 50141210921 is 12901214105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40417081600 + 9724129321 = 201040^2 + 98611^2 .

It is a cyclic number.

It is not a de Polignac number, because 50141210921 - 2¹⁸ = 50140948777 is a prime.

Together with 50141210923, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (50141210923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25070605460 + 25070605461.

It is an arithmetic number, because the mean of its divisors is an integer number (25070605461).

Almost surely, 2^50141210921 is an apocalyptic number.

It is an amenable number.

50141210921 is a deficient number, since it is larger than the sum of its proper divisors (1).

50141210921 is an equidigital number, since it uses as much as digits as its factorization.

50141210921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 50141210921 in words is "fifty billion, one hundred forty-one million, two hundred ten thousand, nine hundred twenty-one".