854820524746393 has 2 divisors, whose sum is σ = 854820524746394. Its totient is φ = 854820524746392.

The previous prime is 854820524746369. The next prime is 854820524746469. The reversal of 854820524746393 is 393647425028458.

854820524746393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850979446088704 + 3841078657689 = 29171552^2 + 1959867^2 .

It is a cyclic number.

It is not a de Polignac number, because 854820524746393 - 2³³ = 854811934811801 is a prime.

It is not a weakly prime, because it can be changed into another prime (854820524746313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427410262373196 + 427410262373197.

It is an arithmetic number, because the mean of its divisors is an integer number (427410262373197).

Almost surely, 2^{854820524746393} is an apocalyptic number.

It is an amenable number.

854820524746393 is a deficient number, since it is larger than the sum of its proper divisors (1).

854820524746393 is an equidigital number, since it uses as much as digits as its factorization.

854820524746393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1393459200, while the sum is 70.

The spelling of 854820524746393 in words is "eight hundred fifty-four trillion, eight hundred twenty billion, five hundred twenty-four million, seven hundred forty-six thousand, three hundred ninety-three".