51368458250867 has 2 divisors, whose sum is σ = 51368458250868. Its totient is φ = 51368458250866.

The previous prime is 51368458250861. The next prime is 51368458250887. The reversal of 51368458250867 is 76805285486315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51368458250867 - 2³⁰ = 51367384509043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51368458250797 and 51368458250806.

It is not a weakly prime, because it can be changed into another prime (51368458250861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25684229125433 + 25684229125434.

It is an arithmetic number, because the mean of its divisors is an integer number (25684229125434).

Almost surely, 2^{51368458250867} is an apocalyptic number.

51368458250867 is a deficient number, since it is larger than the sum of its proper divisors (1).

51368458250867 is an equidigital number, since it uses as much as digits as its factorization.

51368458250867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072000, while the sum is 68.

The spelling of 51368458250867 in words is "fifty-one trillion, three hundred sixty-eight billion, four hundred fifty-eight million, two hundred fifty thousand, eight hundred sixty-seven".