56671773463 has 4 divisors (see below), whose sum is σ = 56683947280. Its totient is φ = 56659599648.

The previous prime is 56671773421. The next prime is 56671773481. The reversal of 56671773463 is 36437717665.

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-56671773463 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 (56671873463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6079923 + ... + 6089236.

It is an arithmetic number, because the mean of its divisors is an integer number (14170986820).

Almost surely, 2^56671773463 is an apocalyptic number.

56671773463 is a deficient number, since it is larger than the sum of its proper divisors (12173817).

56671773463 is a wasteful number, since it uses less digits than its factorization.

56671773463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173816.

The product of its digits is 13335840, while the sum is 55.

The spelling of 56671773463 in words is "fifty-six billion, six hundred seventy-one million, seven hundred seventy-three thousand, four hundred sixty-three".