50431425461 has 2 divisors, whose sum is σ = 50431425462. Its totient is φ = 50431425460.

The previous prime is 50431425439. The next prime is 50431425523. The reversal of 50431425461 is 16452413405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48589384900 + 1842040561 = 220430^2 + 42919^2 .

It is a cyclic number.

It is not a de Polignac number, because 50431425461 - 2¹⁰ = 50431424437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50431425661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25215712730 + 25215712731.

It is an arithmetic number, because the mean of its divisors is an integer number (25215712731).

Almost surely, 2^50431425461 is an apocalyptic number.

It is an amenable number.

50431425461 is a deficient number, since it is larger than the sum of its proper divisors (1).

50431425461 is an equidigital number, since it uses as much as digits as its factorization.

50431425461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 50431425461 its reverse (16452413405), we get a palindrome (66883838866).

The spelling of 50431425461 in words is "fifty billion, four hundred thirty-one million, four hundred twenty-five thousand, four hundred sixty-one".