51422352439 has 2 divisors, whose sum is σ = 51422352440. Its totient is φ = 51422352438.

The previous prime is 51422352389. The next prime is 51422352469. The reversal of 51422352439 is 93425322415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51422352439 - 2¹³ = 51422344247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51422352469) 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, 25711176219 + 25711176220.

It is an arithmetic number, because the mean of its divisors is an integer number (25711176220).

Almost surely, 2^51422352439 is an apocalyptic number.

51422352439 is a deficient number, since it is larger than the sum of its proper divisors (1).

51422352439 is an equidigital number, since it uses as much as digits as its factorization.

51422352439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 51422352439 in words is "fifty-one billion, four hundred twenty-two million, three hundred fifty-two thousand, four hundred thirty-nine".