52406266663 has 4 divisors (see below), whose sum is σ = 52818914560. Its totient is φ = 51993618768.

The previous prime is 52406266643. The next prime is 52406266667. The reversal of 52406266663 is 36666260425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52406266663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406266667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206323758 + ... + 206324011.

It is an arithmetic number, because the mean of its divisors is an integer number (13204728640).

Almost surely, 2^52406266663 is an apocalyptic number.

52406266663 is a deficient number, since it is larger than the sum of its proper divisors (412647897).

52406266663 is a wasteful number, since it uses less digits than its factorization.

52406266663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412647896.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 52406266663 in words is "fifty-two billion, four hundred six million, two hundred sixty-six thousand, six hundred sixty-three".