285566694463 has 2 divisors, whose sum is σ = 285566694464. Its totient is φ = 285566694462.

The previous prime is 285566694419. The next prime is 285566694473. The reversal of 285566694463 is 364496665582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285566694463 - 2¹⁷ = 285566563391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285566694395 and 285566694404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285566694473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142783347231 + 142783347232.

It is an arithmetic number, because the mean of its divisors is an integer number (142783347232).

Almost surely, 2^285566694463 is an apocalyptic number.

285566694463 is a deficient number, since it is larger than the sum of its proper divisors (1).

285566694463 is an equidigital number, since it uses as much as digits as its factorization.

285566694463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 223948800, while the sum is 64.

The spelling of 285566694463 in words is "two hundred eighty-five billion, five hundred sixty-six million, six hundred ninety-four thousand, four hundred sixty-three".