434618319 has 4 divisors (see below), whose sum is σ = 579491096. Its totient is φ = 289745544.

The previous prime is 434618309. The next prime is 434618333. The reversal of 434618319 is 913816434.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 434618319 - 2²⁰ = 433569743 is a prime.

It is a super-2 number, since 2×434618319² = 377786166420771522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434618309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72436384 + ... + 72436389.

It is an arithmetic number, because the mean of its divisors is an integer number (144872774).

Almost surely, 2^434618319 is an apocalyptic number.

434618319 is a deficient number, since it is larger than the sum of its proper divisors (144872777).

434618319 is a wasteful number, since it uses less digits than its factorization.

434618319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144872776.

The product of its digits is 62208, while the sum is 39.

The square root of 434618319 is about 20847.5015049766. The cubic root of 434618319 is about 757.4768118031.

The spelling of 434618319 in words is "four hundred thirty-four million, six hundred eighteen thousand, three hundred nineteen".