104854243813 has 4 divisors (see below), whose sum is σ = 114386447808. Its totient is φ = 95322039820.

The previous prime is 104854243787. The next prime is 104854243829. The reversal of 104854243813 is 318342458401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104854243813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104854243813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104854243313) 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, 4766101981 + ... + 4766102002.

It is an arithmetic number, because the mean of its divisors is an integer number (28596611952).

Almost surely, 2^104854243813 is an apocalyptic number.

It is an amenable number.

104854243813 is a deficient number, since it is larger than the sum of its proper divisors (9532203995).

104854243813 is an equidigital number, since it uses as much as digits as its factorization.

104854243813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532203994.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 104854243813 in words is "one hundred four billion, eight hundred fifty-four million, two hundred forty-three thousand, eight hundred thirteen".