104635456611839 has 4 divisors (see below), whose sum is σ = 104676603077856. Its totient is φ = 104594310145824.

The previous prime is 104635456611809. The next prime is 104635456611863. The reversal of 104635456611839 is 938116654536401.

It is a happy number.

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 104635456611839 - 2⁸ = 104635456611583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104635456611809) 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, 20573229194 + ... + 20573234279.

It is an arithmetic number, because the mean of its divisors is an integer number (26169150769464).

Almost surely, 2^{104635456611839} is an apocalyptic number.

104635456611839 is a deficient number, since it is larger than the sum of its proper divisors (41146466017).

104635456611839 is an equidigital number, since it uses as much as digits as its factorization.

104635456611839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41146466016.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 104635456611839 in words is "one hundred four trillion, six hundred thirty-five billion, four hundred fifty-six million, six hundred eleven thousand, eight hundred thirty-nine".