405050419 has 2 divisors, whose sum is σ = 405050420. Its totient is φ = 405050418.

The previous prime is 405050407. The next prime is 405050441. The reversal of 405050419 is 914050504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405050419 - 2²¹ = 402953267 is a prime.

It is a super-2 number, since 2×405050419² = 328131683864151122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405050479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202525209 + 202525210.

It is an arithmetic number, because the mean of its divisors is an integer number (202525210).

Almost surely, 2^405050419 is an apocalyptic number.

405050419 is a deficient number, since it is larger than the sum of its proper divisors (1).

405050419 is an equidigital number, since it uses as much as digits as its factorization.

405050419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 405050419 is about 20125.8644286401. The cubic root of 405050419 is about 739.8943232342.

The spelling of 405050419 in words is "four hundred five million, fifty thousand, four hundred nineteen".