434407019 has 2 divisors, whose sum is σ = 434407020. Its totient is φ = 434407018.

The previous prime is 434407009. The next prime is 434407021. The reversal of 434407019 is 910704434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434407019 is a prime.

It is a super-2 number, since 2×434407019² = 377418916312932722, which contains 22 as substring.

Together with 434407021, 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 (434407009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217203509 + 217203510.

It is an arithmetic number, because the mean of its divisors is an integer number (217203510).

Almost surely, 2^434407019 is an apocalyptic number.

434407019 is a deficient number, since it is larger than the sum of its proper divisors (1).

434407019 is an equidigital number, since it uses as much as digits as its factorization.

434407019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 434407019 is about 20842.4331353132. The cubic root of 434407019 is about 757.3540368007.

The spelling of 434407019 in words is "four hundred thirty-four million, four hundred seven thousand, nineteen".