1066843743513 has 4 divisors (see below), whose sum is σ = 1422458324688. Its totient is φ = 711229162340.

The previous prime is 1066843743503. The next prime is 1066843743521. The reversal of 1066843743513 is 3153473486601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066843743513 - 2⁵ = 1066843743481 is a prime.

It is a super-2 number, since 2×1066843743513² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066843743503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177807290583 + ... + 177807290588.

It is an arithmetic number, because the mean of its divisors is an integer number (355614581172).

Almost surely, 2^{1066843743513} is an apocalyptic number.

It is an amenable number.

1066843743513 is a deficient number, since it is larger than the sum of its proper divisors (355614581175).

1066843743513 is an equidigital number, since it uses as much as digits as its factorization.

1066843743513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355614581174.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 1066843743513 in words is "one trillion, sixty-six billion, eight hundred forty-three million, seven hundred forty-three thousand, five hundred thirteen".