406413019 has 2 divisors, whose sum is σ = 406413020. Its totient is φ = 406413018.

The previous prime is 406413011. The next prime is 406413041. The reversal of 406413019 is 910314604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406413019 - 2³ = 406413011 is a prime.

It is a super-2 number, since 2×406413019² = 330343084025388722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406413011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203206509 + 203206510.

It is an arithmetic number, because the mean of its divisors is an integer number (203206510).

Almost surely, 2^406413019 is an apocalyptic number.

406413019 is a deficient number, since it is larger than the sum of its proper divisors (1).

406413019 is an equidigital number, since it uses as much as digits as its factorization.

406413019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 406413019 is about 20159.6879688154. The cubic root of 406413019 is about 740.7230691147.

It can be divided in two parts, 40641 and 3019, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 406413019 in words is "four hundred six million, four hundred thirteen thousand, nineteen".