5656356239 has 2 divisors, whose sum is σ = 5656356240. Its totient is φ = 5656356238.

The previous prime is 5656356217. The next prime is 5656356257. The reversal of 5656356239 is 9326536565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5656356239 - 2²⁰ = 5655307663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656356289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828178119 + 2828178120.

It is an arithmetic number, because the mean of its divisors is an integer number (2828178120).

Almost surely, 2^5656356239 is an apocalyptic number.

5656356239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656356239 is an equidigital number, since it uses as much as digits as its factorization.

5656356239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374000, while the sum is 50.

The square root of 5656356239 is about 75208.7510799109. The cubic root of 5656356239 is about 1781.7451469210.

The spelling of 5656356239 in words is "five billion, six hundred fifty-six million, three hundred fifty-six thousand, two hundred thirty-nine".