5656016243 has 4 divisors (see below), whose sum is σ = 5656232040. Its totient is φ = 5655800448.

The previous prime is 5656016239. The next prime is 5656016291. The reversal of 5656016243 is 3426106565.

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 5656016243 - 2² = 5656016239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5656016197 and 5656016206.

It is not an unprimeable number, because it can be changed into a prime (5656016203) 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, 62105 + ... + 123162.

It is an arithmetic number, because the mean of its divisors is an integer number (1414058010).

Almost surely, 2^5656016243 is an apocalyptic number.

5656016243 is a deficient number, since it is larger than the sum of its proper divisors (215797).

5656016243 is a wasteful number, since it uses less digits than its factorization.

5656016243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215796.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5656016243 is about 75206.4906972796. The cubic root of 5656016243 is about 1781.7094467673.

The spelling of 5656016243 in words is "five billion, six hundred fifty-six million, sixteen thousand, two hundred forty-three".