409315285999 has 2 divisors, whose sum is σ = 409315286000. Its totient is φ = 409315285998.

The previous prime is 409315285997. The next prime is 409315286027. The reversal of 409315285999 is 999582513904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409315285999 - 2¹ = 409315285997 is a prime.

Together with 409315285997, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 409315285999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409315285997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204657642999 + 204657643000.

It is an arithmetic number, because the mean of its divisors is an integer number (204657643000).

Almost surely, 2^409315285999 is an apocalyptic number.

409315285999 is a deficient number, since it is larger than the sum of its proper divisors (1).

409315285999 is an equidigital number, since it uses as much as digits as its factorization.

409315285999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31492800, while the sum is 64.

The spelling of 409315285999 in words is "four hundred nine billion, three hundred fifteen million, two hundred eighty-five thousand, nine hundred ninety-nine".