51465000850847 has 2 divisors, whose sum is σ = 51465000850848. Its totient is φ = 51465000850846.

The previous prime is 51465000850801. The next prime is 51465000850877. The reversal of 51465000850847 is 74805800056415.

51465000850847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51465000850847 - 2¹² = 51465000846751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51465000850877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25732500425423 + 25732500425424.

It is an arithmetic number, because the mean of its divisors is an integer number (25732500425424).

Almost surely, 2^{51465000850847} is an apocalyptic number.

51465000850847 is a deficient number, since it is larger than the sum of its proper divisors (1).

51465000850847 is an equidigital number, since it uses as much as digits as its factorization.

51465000850847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 51465000850847 in words is "fifty-one trillion, four hundred sixty-five billion, eight hundred fifty thousand, eight hundred forty-seven".