104435021043 has 24 divisors (see below), whose sum is σ = 151333284960. Its totient is φ = 69400840320.

The previous prime is 104435021039. The next prime is 104435021087. The reversal of 104435021043 is 340120534401.

It is a happy number.

104435021043 is a `hidden beast` number, since 1 + 0 + 443 + 5 + 0 + 210 + 4 + 3 = 666.

It is not a de Polignac number, because 104435021043 - 2² = 104435021039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104435020998 and 104435021016.

It is not an unprimeable number, because it can be changed into a prime (104435021443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4873330 + ... + 4894712.

It is an arithmetic number, because the mean of its divisors is an integer number (6305553540).

Almost surely, 2^104435021043 is an apocalyptic number.

104435021043 is a deficient number, since it is larger than the sum of its proper divisors (46898263917).

104435021043 is a wasteful number, since it uses less digits than its factorization.

104435021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099 (or 23096 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 104435021043 its reverse (340120534401), we get a palindrome (444555555444).

The spelling of 104435021043 in words is "one hundred four billion, four hundred thirty-five million, twenty-one thousand, forty-three".