506481646522 has 8 divisors (see below), whose sum is σ = 760308227316. Its totient is φ = 253045570752.

The previous prime is 506481646487. The next prime is 506481646543. The reversal of 506481646522 is 225646184605.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 479834675401 + 26646971121 = 692701^2 + 163239^2 .

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

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, 97623013 + ... + 97628200.

Almost surely, 2^506481646522 is an apocalyptic number.

506481646522 is a deficient number, since it is larger than the sum of its proper divisors (253826580794).

506481646522 is a wasteful number, since it uses less digits than its factorization.

506481646522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195252512.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 506481646522 in words is "five hundred six billion, four hundred eighty-one million, six hundred forty-six thousand, five hundred twenty-two".