523094663866 has 8 divisors (see below), whose sum is σ = 805848536340. Its totient is φ = 254478485088.

The previous prime is 523094663851. The next prime is 523094663873. The reversal of 523094663866 is 668366490325.

It can be written as a sum of positive squares in 2 ways, for example, as 425066184841 + 98028479025 = 651971^2 + 313095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 523094663866.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3534423331 + ... + 3534423478.

Almost surely, 2^523094663866 is an apocalyptic number.

523094663866 is a deficient number, since it is larger than the sum of its proper divisors (282753872474).

523094663866 is a wasteful number, since it uses less digits than its factorization.

523094663866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068846848.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 523094663866 in words is "five hundred twenty-three billion, ninety-four million, six hundred sixty-three thousand, eight hundred sixty-six".