434542163 has 4 divisors (see below), whose sum is σ = 474046008. Its totient is φ = 395038320.

The previous prime is 434542127. The next prime is 434542169. The reversal of 434542163 is 361245434.

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

It is a cyclic number.

It is not a de Polignac number, because 434542163 - 2²⁴ = 417764947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434542169) 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, 19751906 + ... + 19751927.

It is an arithmetic number, because the mean of its divisors is an integer number (118511502).

Almost surely, 2^434542163 is an apocalyptic number.

434542163 is a deficient number, since it is larger than the sum of its proper divisors (39503845).

434542163 is a wasteful number, since it uses less digits than its factorization.

434542163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503844.

The product of its digits is 34560, while the sum is 32.

The square root of 434542163 is about 20845.6749231105. The cubic root of 434542163 is about 757.4325662577.

Adding to 434542163 its reverse (361245434), we get a palindrome (795787597).

The spelling of 434542163 in words is "four hundred thirty-four million, five hundred forty-two thousand, one hundred sixty-three".