1652866063543 has 2 divisors, whose sum is σ = 1652866063544. Its totient is φ = 1652866063542.

The previous prime is 1652866063531. The next prime is 1652866063549. The reversal of 1652866063543 is 3453606682561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1652866063543 - 2³³ = 1644276128951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1652866063549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826433031771 + 826433031772.

It is an arithmetic number, because the mean of its divisors is an integer number (826433031772).

Almost surely, 2^{1652866063543} is an apocalyptic number.

1652866063543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652866063543 is an equidigital number, since it uses as much as digits as its factorization.

1652866063543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 1652866063543 in words is "one trillion, six hundred fifty-two billion, eight hundred sixty-six million, sixty-three thousand, five hundred forty-three".