56719256443 has 2 divisors, whose sum is σ = 56719256444. Its totient is φ = 56719256442.

The previous prime is 56719256387. The next prime is 56719256471. The reversal of 56719256443 is 34465291765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56719256443 - 2¹³ = 56719248251 is a prime.

It is not a weakly prime, because it can be changed into another prime (56719256843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28359628221 + 28359628222.

It is an arithmetic number, because the mean of its divisors is an integer number (28359628222).

Almost surely, 2^56719256443 is an apocalyptic number.

56719256443 is a deficient number, since it is larger than the sum of its proper divisors (1).

56719256443 is an equidigital number, since it uses as much as digits as its factorization.

56719256443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 52.

The spelling of 56719256443 in words is "fifty-six billion, seven hundred nineteen million, two hundred fifty-six thousand, four hundred forty-three".