56673450679 has 4 divisors (see below), whose sum is σ = 59137513776. Its totient is φ = 54209387584.

The previous prime is 56673450649. The next prime is 56673450719. The reversal of 56673450679 is 97605437665.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56673450679 - 2¹¹ = 56673448631 is a prime.

It is a super-2 number, since 2×56673450679² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56673450649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232031514 + ... + 1232031559.

It is an arithmetic number, because the mean of its divisors is an integer number (14784378444).

Almost surely, 2^56673450679 is an apocalyptic number.

56673450679 is a deficient number, since it is larger than the sum of its proper divisors (2464063097).

56673450679 is a wasteful number, since it uses less digits than its factorization.

56673450679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464063096.

The product of its (nonzero) digits is 28576800, while the sum is 58.

The spelling of 56673450679 in words is "fifty-six billion, six hundred seventy-three million, four hundred fifty thousand, six hundred seventy-nine".