434243019 has 24 divisors (see below), whose sum is σ = 702926848. Its totient is φ = 233539200.

The previous prime is 434242999. The next prime is 434243039. The reversal of 434243019 is 910342434.

It is an interprime number because it is at equal distance from previous prime (434242999) and next prime (434243039).

It is not a de Polignac number, because 434243019 - 2⁵ = 434242987 is a prime.

It is a super-2 number, since 2×434243019² = 377133999100468722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434243039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29707 + ... + 41844.

Almost surely, 2^434243019 is an apocalyptic number.

434243019 is a deficient number, since it is larger than the sum of its proper divisors (268683829).

434243019 is a wasteful number, since it uses less digits than its factorization.

434243019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71595 (or 71578 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 434243019 is about 20838.4984823763. The cubic root of 434243019 is about 757.2587178255.

The spelling of 434243019 in words is "four hundred thirty-four million, two hundred forty-three thousand, nineteen".