4257867489643 has 2 divisors, whose sum is σ = 4257867489644. Its totient is φ = 4257867489642.

The previous prime is 4257867489593. The next prime is 4257867489713. The reversal of 4257867489643 is 3469847687524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4257867489643 - 2⁹ = 4257867489131 is a prime.

It is not a weakly prime, because it can be changed into another prime (4257867481643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128933744821 + 2128933744822.

It is an arithmetic number, because the mean of its divisors is an integer number (2128933744822).

Almost surely, 2^{4257867489643} is an apocalyptic number.

4257867489643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257867489643 is an equidigital number, since it uses as much as digits as its factorization.

4257867489643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1950842880, while the sum is 73.

The spelling of 4257867489643 in words is "four trillion, two hundred fifty-seven billion, eight hundred sixty-seven million, four hundred eighty-nine thousand, six hundred forty-three".