5656441845491 has 2 divisors, whose sum is σ = 5656441845492. Its totient is φ = 5656441845490.

The previous prime is 5656441845451. The next prime is 5656441845521. The reversal of 5656441845491 is 1945481446565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5656441845491 - 2¹⁰ = 5656441844467 is a prime.

It is not a weakly prime, because it can be changed into another prime (5656441845451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828220922745 + 2828220922746.

It is an arithmetic number, because the mean of its divisors is an integer number (2828220922746).

Almost surely, 2^{5656441845491} is an apocalyptic number.

5656441845491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656441845491 is an equidigital number, since it uses as much as digits as its factorization.

5656441845491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944000, while the sum is 62.

The spelling of 5656441845491 in words is "five trillion, six hundred fifty-six billion, four hundred forty-one million, eight hundred forty-five thousand, four hundred ninety-one".