505505049806 has 16 divisors (see below), whose sum is σ = 784558621440. Its totient is φ = 243988936800.

The previous prime is 505505049787. The next prime is 505505049817. The reversal of 505505049806 is 608940505505.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 558446 + ... + 1150161.

It is an arithmetic number, because the mean of its divisors is an integer number (49034913840).

Almost surely, 2^505505049806 is an apocalyptic number.

505505049806 is a deficient number, since it is larger than the sum of its proper divisors (279053571634).

505505049806 is a wasteful number, since it uses less digits than its factorization.

505505049806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713739.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 505505049806 in words is "five hundred five billion, five hundred five million, forty-nine thousand, eight hundred six".