104404310354621 has 2 divisors, whose sum is σ = 104404310354622. Its totient is φ = 104404310354620.

The previous prime is 104404310354573. The next prime is 104404310354623. The reversal of 104404310354621 is 126453013404401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83480913230521 + 20923397124100 = 9136789^2 + 4574210^2 .

It is a cyclic number.

It is not a de Polignac number, because 104404310354621 - 2¹⁰ = 104404310353597 is a prime.

Together with 104404310354623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104404310354623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52202155177310 + 52202155177311.

It is an arithmetic number, because the mean of its divisors is an integer number (52202155177311).

Almost surely, 2^{104404310354621} is an apocalyptic number.

It is an amenable number.

104404310354621 is a deficient number, since it is larger than the sum of its proper divisors (1).

104404310354621 is an equidigital number, since it uses as much as digits as its factorization.

104404310354621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 104404310354621 in words is "one hundred four trillion, four hundred four billion, three hundred ten million, three hundred fifty-four thousand, six hundred twenty-one".