104405401409 has 2 divisors, whose sum is σ = 104405401410. Its totient is φ = 104405401408.

The previous prime is 104405401379. The next prime is 104405401427. The reversal of 104405401409 is 904104504401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93822753025 + 10582648384 = 306305^2 + 102872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104405401409 is a prime.

It is not a weakly prime, because it can be changed into another prime (104405401439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52202700704 + 52202700705.

It is an arithmetic number, because the mean of its divisors is an integer number (52202700705).

Almost surely, 2^104405401409 is an apocalyptic number.

It is an amenable number.

104405401409 is a deficient number, since it is larger than the sum of its proper divisors (1).

104405401409 is an equidigital number, since it uses as much as digits as its factorization.

104405401409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 104405401409 in words is "one hundred four billion, four hundred five million, four hundred one thousand, four hundred nine".