51704127229 has 2 divisors, whose sum is σ = 51704127230. Its totient is φ = 51704127228.

The previous prime is 51704127221. The next prime is 51704127239. The reversal of 51704127229 is 92272140715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35415476100 + 16288651129 = 188190^2 + 127627^2 .

It is a cyclic number.

It is not a de Polignac number, because 51704127229 - 2³ = 51704127221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51704127191 and 51704127200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51704127221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25852063614 + 25852063615.

It is an arithmetic number, because the mean of its divisors is an integer number (25852063615).

Almost surely, 2^51704127229 is an apocalyptic number.

It is an amenable number.

51704127229 is a deficient number, since it is larger than the sum of its proper divisors (1).

51704127229 is an equidigital number, since it uses as much as digits as its factorization.

51704127229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 51704127229 in words is "fifty-one billion, seven hundred four million, one hundred twenty-seven thousand, two hundred twenty-nine".