506361356221 has 24 divisors (see below), whose sum is σ = 603674104320. Its totient is φ = 423245188800.

The previous prime is 506361356203. The next prime is 506361356231. The reversal of 506361356221 is 122653163605.

It is not a de Polignac number, because 506361356221 - 2¹⁵ = 506361323453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506361356231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4441866 + ... + 4554436.

It is an arithmetic number, because the mean of its divisors is an integer number (25153087680).

Almost surely, 2^506361356221 is an apocalyptic number.

It is an amenable number.

506361356221 is a deficient number, since it is larger than the sum of its proper divisors (97312748099).

506361356221 is a wasteful number, since it uses less digits than its factorization.

506361356221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114865 (or 114858 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 506361356221 in words is "five hundred six billion, three hundred sixty-one million, three hundred fifty-six thousand, two hundred twenty-one".