50203401421 has 2 divisors, whose sum is σ = 50203401422. Its totient is φ = 50203401420.

The previous prime is 50203401389. The next prime is 50203401439. The reversal of 50203401421 is 12410430205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31396296100 + 18807105321 = 177190^2 + 137139^2 .

It is a cyclic number.

It is not a de Polignac number, because 50203401421 - 2⁵ = 50203401389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50203401392 and 50203401401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50203401461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101700710 + 25101700711.

It is an arithmetic number, because the mean of its divisors is an integer number (25101700711).

Almost surely, 2^50203401421 is an apocalyptic number.

It is an amenable number.

50203401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203401421 is an equidigital number, since it uses as much as digits as its factorization.

50203401421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 50203401421 its reverse (12410430205), we get a palindrome (62613831626).

The spelling of 50203401421 in words is "fifty billion, two hundred three million, four hundred one thousand, four hundred twenty-one".