409338469417 has 2 divisors, whose sum is σ = 409338469418. Its totient is φ = 409338469416.

The previous prime is 409338469361. The next prime is 409338469541. The reversal of 409338469417 is 714964833904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294956523801 + 114381945616 = 543099^2 + 338204^2 .

It is a cyclic number.

It is not a de Polignac number, because 409338469417 - 2¹⁵ = 409338436649 is a prime.

It is not a weakly prime, because it can be changed into another prime (409338469117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204669234708 + 204669234709.

It is an arithmetic number, because the mean of its divisors is an integer number (204669234709).

Almost surely, 2^409338469417 is an apocalyptic number.

It is an amenable number.

409338469417 is a deficient number, since it is larger than the sum of its proper divisors (1).

409338469417 is an equidigital number, since it uses as much as digits as its factorization.

409338469417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 409338469417 in words is "four hundred nine billion, three hundred thirty-eight million, four hundred sixty-nine thousand, four hundred seventeen".