56349643682 has 4 divisors (see below), whose sum is σ = 84524465526. Its totient is φ = 28174821840.

The previous prime is 56349643639. The next prime is 56349643687. The reversal of 56349643682 is 28634694365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32612386921 + 23737256761 = 180589^2 + 154069^2 .

It is not an unprimeable number, because it can be changed into a prime (56349643687) 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 as a sum of consecutive naturals, namely, 14087410919 + ... + 14087410922.

Almost surely, 2^56349643682 is an apocalyptic number.

56349643682 is a deficient number, since it is larger than the sum of its proper divisors (28174821844).

56349643682 is a wasteful number, since it uses less digits than its factorization.

56349643682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174821843.

The product of its digits is 22394880, while the sum is 56.

The spelling of 56349643682 in words is "fifty-six billion, three hundred forty-nine million, six hundred forty-three thousand, six hundred eighty-two".