1043534071399 has 4 divisors (see below), whose sum is σ = 1043551348920. Its totient is φ = 1043516793880.

The previous prime is 1043534071373. The next prime is 1043534071403. The reversal of 1043534071399 is 9931704353401.

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

It is a cyclic number.

It is not a de Polignac number, because 1043534071399 - 2³⁵ = 1009174333031 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043534071309) 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, 8547844 + ... + 8669065.

It is an arithmetic number, because the mean of its divisors is an integer number (260887837230).

Almost surely, 2^{1043534071399} is an apocalyptic number.

1043534071399 is a deficient number, since it is larger than the sum of its proper divisors (17277521).

1043534071399 is an equidigital number, since it uses as much as digits as its factorization.

1043534071399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17277520.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 1043534071399 in words is "one trillion, forty-three billion, five hundred thirty-four million, seventy-one thousand, three hundred ninety-nine".