438492419 has 2 divisors, whose sum is σ = 438492420. Its totient is φ = 438492418.

The previous prime is 438492413. The next prime is 438492433. The reversal of 438492419 is 914294834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438492419 - 2⁸ = 438492163 is a prime.

It is a super-2 number, since 2×438492419² = 384551203040943122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438492419.

It is not a weakly prime, because it can be changed into another prime (438492413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219246209 + 219246210.

It is an arithmetic number, because the mean of its divisors is an integer number (219246210).

Almost surely, 2^438492419 is an apocalyptic number.

438492419 is a deficient number, since it is larger than the sum of its proper divisors (1).

438492419 is an equidigital number, since it uses as much as digits as its factorization.

438492419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 438492419 is about 20940.2105767827. The cubic root of 438492419 is about 759.7208225522.

The spelling of 438492419 in words is "four hundred thirty-eight million, four hundred ninety-two thousand, four hundred nineteen".