1065043349749 has 4 divisors (see below), whose sum is σ = 1065067265164. Its totient is φ = 1065019434336.

The previous prime is 1065043349743. The next prime is 1065043349771. The reversal of 1065043349749 is 9479433405601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 626342450724 + 438700899025 = 791418^2 + 662345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065043349749 - 2⁷ = 1065043349621 is a prime.

It is a super-3 number, since 3×1065043349749³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1065043349749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065043349743) 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, 11890782 + ... + 11980015.

It is an arithmetic number, because the mean of its divisors is an integer number (266266816291).

Almost surely, 2^{1065043349749} is an apocalyptic number.

It is an amenable number.

1065043349749 is a deficient number, since it is larger than the sum of its proper divisors (23915415).

1065043349749 is an equidigital number, since it uses as much as digits as its factorization.

1065043349749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23915414.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 1065043349749 in words is "one trillion, sixty-five billion, forty-three million, three hundred forty-nine thousand, seven hundred forty-nine".