56443263237373 has 2 divisors, whose sum is σ = 56443263237374. Its totient is φ = 56443263237372.

The previous prime is 56443263237359. The next prime is 56443263237409. The reversal of 56443263237373 is 37373236234465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48441906240484 + 8001356996889 = 6960022^2 + 2828667^2 .

It is a cyclic number.

It is not a de Polignac number, because 56443263237373 - 2²¹ = 56443261140221 is a prime.

It is a super-2 number, since 2×56443263237373² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56443263237353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28221631618686 + 28221631618687.

It is an arithmetic number, because the mean of its divisors is an integer number (28221631618687).

Almost surely, 2^{56443263237373} is an apocalyptic number.

It is an amenable number.

56443263237373 is a deficient number, since it is larger than the sum of its proper divisors (1).

56443263237373 is an equidigital number, since it uses as much as digits as its factorization.

56443263237373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 58.

The spelling of 56443263237373 in words is "fifty-six trillion, four hundred forty-three billion, two hundred sixty-three million, two hundred thirty-seven thousand, three hundred seventy-three".