409399834497103 has 2 divisors, whose sum is σ = 409399834497104. Its totient is φ = 409399834497102.

The previous prime is 409399834497023. The next prime is 409399834497119. The reversal of 409399834497103 is 301794438993904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409399834497103 - 2²¹ = 409399832399951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409399834497133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204699917248551 + 204699917248552.

It is an arithmetic number, because the mean of its divisors is an integer number (204699917248552).

Almost surely, 2^{409399834497103} is an apocalyptic number.

409399834497103 is a deficient number, since it is larger than the sum of its proper divisors (1).

409399834497103 is an equidigital number, since it uses as much as digits as its factorization.

409399834497103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 409399834497103 in words is "four hundred nine trillion, three hundred ninety-nine billion, eight hundred thirty-four million, four hundred ninety-seven thousand, one hundred three".