1064839426543 has 2 divisors, whose sum is σ = 1064839426544. Its totient is φ = 1064839426542.

The previous prime is 1064839426459. The next prime is 1064839426549. The reversal of 1064839426543 is 3456249384601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1064839426543 - 2⁹ = 1064839426031 is a prime.

It is a super-2 number, since 2×1064839426543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064839426549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532419713271 + 532419713272.

It is an arithmetic number, because the mean of its divisors is an integer number (532419713272).

Almost surely, 2^{1064839426543} is an apocalyptic number.

1064839426543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064839426543 is an equidigital number, since it uses as much as digits as its factorization.

1064839426543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 1064839426543 in words is "one trillion, sixty-four billion, eight hundred thirty-nine million, four hundred twenty-six thousand, five hundred forty-three".