6375854585729 has 2 divisors, whose sum is σ = 6375854585730. Its totient is φ = 6375854585728.

The previous prime is 6375854585719. The next prime is 6375854585773. The reversal of 6375854585729 is 9275854585736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5742023647504 + 633830938225 = 2396252^2 + 796135^2 .

It is a cyclic number.

It is not a de Polignac number, because 6375854585729 - 2⁴ = 6375854585713 is a prime.

It is a super-2 number, since 2×6375854585729² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6375854585719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187927292864 + 3187927292865.

It is an arithmetic number, because the mean of its divisors is an integer number (3187927292865).

Almost surely, 2^{6375854585729} is an apocalyptic number.

It is an amenable number.

6375854585729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6375854585729 is an equidigital number, since it uses as much as digits as its factorization.

6375854585729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160000, while the sum is 74.

The spelling of 6375854585729 in words is "six trillion, three hundred seventy-five billion, eight hundred fifty-four million, five hundred eighty-five thousand, seven hundred twenty-nine".