104400343361 has 4 divisors (see below), whose sum is σ = 104449107924. Its totient is φ = 104351578800.

The previous prime is 104400343357. The next prime is 104400343367. The reversal of 104400343361 is 163343004401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89434491136 + 14965852225 = 299056^2 + 122335^2 .

It is a cyclic number.

It is not a de Polignac number, because 104400343361 - 2² = 104400343357 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 (104400343367) 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, 24379070 + ... + 24383351.

It is an arithmetic number, because the mean of its divisors is an integer number (26112276981).

Almost surely, 2^104400343361 is an apocalyptic number.

It is an amenable number.

104400343361 is a deficient number, since it is larger than the sum of its proper divisors (48764563).

104400343361 is an equidigital number, since it uses as much as digits as its factorization.

104400343361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48764562.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 104400343361 its reverse (163343004401), we get a palindrome (267743347762).

The spelling of 104400343361 in words is "one hundred four billion, four hundred million, three hundred forty-three thousand, three hundred sixty-one".