50431424993 has 2 divisors, whose sum is σ = 50431424994. Its totient is φ = 50431424992.

The previous prime is 50431424969. The next prime is 50431424999. The reversal of 50431424993 is 39942413405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45227678224 + 5203746769 = 212668^2 + 72137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50431424993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50431424999) 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, 25215712496 + 25215712497.

It is an arithmetic number, because the mean of its divisors is an integer number (25215712497).

Almost surely, 2^50431424993 is an apocalyptic number.

It is an amenable number.

50431424993 is a deficient number, since it is larger than the sum of its proper divisors (1).

50431424993 is an equidigital number, since it uses as much as digits as its factorization.

50431424993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 50431424993 in words is "fifty billion, four hundred thirty-one million, four hundred twenty-four thousand, nine hundred ninety-three".