531968791005 has 64 divisors (see below), whose sum is σ = 967330667520. Its totient is φ = 277252766208.

The previous prime is 531968790979. The next prime is 531968791043. The reversal of 531968791005 is 500197869135.

531968791005 is a `hidden beast` number, since 531 + 96 + 8 + 7 + 9 + 10 + 0 + 5 = 666.

It is not a de Polignac number, because 531968791005 - 2²⁰ = 531967742429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4079089 + ... + 4207481.

It is an arithmetic number, because the mean of its divisors is an integer number (15114541680).

Almost surely, 2^531968791005 is an apocalyptic number.

It is an amenable number.

531968791005 is a deficient number, since it is larger than the sum of its proper divisors (435361876515).

531968791005 is a wasteful number, since it uses less digits than its factorization.

531968791005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129107 (or 129101 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 531968791005 in words is "five hundred thirty-one billion, nine hundred sixty-eight million, seven hundred ninety-one thousand, five".