104043535049 has 4 divisors (see below), whose sum is σ = 104497873860. Its totient is φ = 103589196240.

The previous prime is 104043535027. The next prime is 104043535087. The reversal of 104043535049 is 940535340401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940535340401 = 23 ⋅40892840887.

It can be written as a sum of positive squares in 2 ways, for example, as 62266219024 + 41777316025 = 249532^2 + 204395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104043535049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104043535009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227169062 + ... + 227169519.

It is an arithmetic number, because the mean of its divisors is an integer number (26124468465).

Almost surely, 2^104043535049 is an apocalyptic number.

It is an amenable number.

104043535049 is a deficient number, since it is larger than the sum of its proper divisors (454338811).

104043535049 is an equidigital number, since it uses as much as digits as its factorization.

104043535049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454338810.

The product of its (nonzero) digits is 129600, while the sum is 38.

It can be divided in two parts, 10404 and 3535049, that added together give a palindrome (3545453).

The spelling of 104043535049 in words is "one hundred four billion, forty-three million, five hundred thirty-five thousand, forty-nine".