51424105079 has 2 divisors, whose sum is σ = 51424105080. Its totient is φ = 51424105078.

The previous prime is 51424105043. The next prime is 51424105097. The reversal of 51424105079 is 97050142415.

Together with next prime (51424105097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51424105079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51424105099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25712052539 + 25712052540.

It is an arithmetic number, because the mean of its divisors is an integer number (25712052540).

Almost surely, 2^51424105079 is an apocalyptic number.

51424105079 is a deficient number, since it is larger than the sum of its proper divisors (1).

51424105079 is an equidigital number, since it uses as much as digits as its factorization.

51424105079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 51424105079 in words is "fifty-one billion, four hundred twenty-four million, one hundred five thousand, seventy-nine".