5051330242421 has 2 divisors, whose sum is σ = 5051330242422. Its totient is φ = 5051330242420.

The previous prime is 5051330242339. The next prime is 5051330242447. The reversal of 5051330242421 is 1242420331505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3897663062500 + 1153667179921 = 1974250^2 + 1074089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051330242421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5051330242481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525665121210 + 2525665121211.

It is an arithmetic number, because the mean of its divisors is an integer number (2525665121211).

Almost surely, 2^{5051330242421} is an apocalyptic number.

It is an amenable number.

5051330242421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051330242421 is an equidigital number, since it uses as much as digits as its factorization.

5051330242421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 5051330242421 its reverse (1242420331505), we get a palindrome (6293750573926).

The spelling of 5051330242421 in words is "five trillion, fifty-one billion, three hundred thirty million, two hundred forty-two thousand, four hundred twenty-one".