51214114309 has 2 divisors, whose sum is σ = 51214114310. Its totient is φ = 51214114308.

The previous prime is 51214114297. The next prime is 51214114327. The reversal of 51214114309 is 90341141215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29342662209 + 21871452100 = 171297^2 + 147890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51214114309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51214114109) 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, 25607057154 + 25607057155.

It is an arithmetic number, because the mean of its divisors is an integer number (25607057155).

Almost surely, 2^51214114309 is an apocalyptic number.

It is an amenable number.

51214114309 is a deficient number, since it is larger than the sum of its proper divisors (1).

51214114309 is an equidigital number, since it uses as much as digits as its factorization.

51214114309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 51214114309 in words is "fifty-one billion, two hundred fourteen million, one hundred fourteen thousand, three hundred nine".