10004043043243 has 4 divisors (see below), whose sum is σ = 10004049641880. Its totient is φ = 10004036444608.

The previous prime is 10004043043193. The next prime is 10004043043249. The reversal of 10004043043243 is 34234034040001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10004043043243 is a prime.

It is a super-2 number, since 2×10004043043243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10004043043249) 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, 241371 + ... + 4479547.

It is an arithmetic number, because the mean of its divisors is an integer number (2501012410470).

Almost surely, 2^{10004043043243} is an apocalyptic number.

10004043043243 is a deficient number, since it is larger than the sum of its proper divisors (6598637).

10004043043243 is an equidigital number, since it uses as much as digits as its factorization.

10004043043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598636.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 10004043043243 its reverse (34234034040001), we get a palindrome (44238077083244).

The spelling of 10004043043243 in words is "ten trillion, four billion, forty-three million, forty-three thousand, two hundred forty-three".