434956019 has 2 divisors, whose sum is σ = 434956020. Its totient is φ = 434956018.

The previous prime is 434955991. The next prime is 434956021. The reversal of 434956019 is 910659434.

434956019 is nontrivially palindromic in base 2.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434956019 is a prime.

It is a super-2 number, since 2×434956019² = 378373476928656722, which contains 22 as substring.

Together with 434956021, 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 (434956079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217478009 + 217478010.

It is an arithmetic number, because the mean of its divisors is an integer number (217478010).

Almost surely, 2^434956019 is an apocalyptic number.

434956019 is a deficient number, since it is larger than the sum of its proper divisors (1).

434956019 is an equidigital number, since it uses as much as digits as its factorization.

434956019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 434956019 is about 20855.5992241892. The cubic root of 434956019 is about 757.6729484164.

The spelling of 434956019 in words is "four hundred thirty-four million, nine hundred fifty-six thousand, nineteen".