56243644099 has 2 divisors, whose sum is σ = 56243644100. Its totient is φ = 56243644098.

The previous prime is 56243644097. The next prime is 56243644103. The reversal of 56243644099 is 99044634265.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56243644099 - 2¹ = 56243644097 is a prime.

Together with 56243644097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56243644097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28121822049 + 28121822050.

It is an arithmetic number, because the mean of its divisors is an integer number (28121822050).

Almost surely, 2^56243644099 is an apocalyptic number.

56243644099 is a deficient number, since it is larger than the sum of its proper divisors (1).

56243644099 is an equidigital number, since it uses as much as digits as its factorization.

56243644099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 56243644099 in words is "fifty-six billion, two hundred forty-three million, six hundred forty-four thousand, ninety-nine".