409399896803 has 2 divisors, whose sum is σ = 409399896804. Its totient is φ = 409399896802.

The previous prime is 409399896797. The next prime is 409399896833. The reversal of 409399896803 is 308698993904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409399896803 - 2⁸ = 409399896547 is a prime.

It is not a weakly prime, because it can be changed into another prime (409399896833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204699948401 + 204699948402.

It is an arithmetic number, because the mean of its divisors is an integer number (204699948402).

Almost surely, 2^409399896803 is an apocalyptic number.

409399896803 is a deficient number, since it is larger than the sum of its proper divisors (1).

409399896803 is an equidigital number, since it uses as much as digits as its factorization.

409399896803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90699264, while the sum is 68.

The spelling of 409399896803 in words is "four hundred nine billion, three hundred ninety-nine million, eight hundred ninety-six thousand, eight hundred three".