56840757319 has 2 divisors, whose sum is σ = 56840757320. Its totient is φ = 56840757318.

The previous prime is 56840757313. The next prime is 56840757329. The reversal of 56840757319 is 91375704865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56840757319 - 2⁷ = 56840757191 is a prime.

It is a super-2 number, since 2×56840757319² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56840757319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56840757313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28420378659 + 28420378660.

It is an arithmetic number, because the mean of its divisors is an integer number (28420378660).

Almost surely, 2^56840757319 is an apocalyptic number.

56840757319 is a deficient number, since it is larger than the sum of its proper divisors (1).

56840757319 is an equidigital number, since it uses as much as digits as its factorization.

56840757319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 56840757319 in words is "fifty-six billion, eight hundred forty million, seven hundred fifty-seven thousand, three hundred nineteen".