408482369819 has 2 divisors, whose sum is σ = 408482369820. Its totient is φ = 408482369818.

The previous prime is 408482369777. The next prime is 408482369821. The reversal of 408482369819 is 918963284804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408482369819 - 2²⁰ = 408481321243 is a prime.

It is a super-2 number, since 2×408482369819² (a number of 24 digits) contains 22 as substring.

Together with 408482369821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (408482369839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204241184909 + 204241184910.

It is an arithmetic number, because the mean of its divisors is an integer number (204241184910).

Almost surely, 2^408482369819 is an apocalyptic number.

408482369819 is a deficient number, since it is larger than the sum of its proper divisors (1).

408482369819 is an equidigital number, since it uses as much as digits as its factorization.

408482369819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 408482369819 in words is "four hundred eight billion, four hundred eighty-two million, three hundred sixty-nine thousand, eight hundred nineteen".