434542635658 has 8 divisors (see below), whose sum is σ = 653018786820. Its totient is φ = 216869706720.

The previous prime is 434542635643. The next prime is 434542635661. The reversal of 434542635658 is 856536245434.

It can be written as a sum of positive squares in 2 ways, for example, as 368695483209 + 65847152449 = 607203^2 + 256607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 434542635599 and 434542635608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200804203 + ... + 200806366.

Almost surely, 2^434542635658 is an apocalyptic number.

434542635658 is a deficient number, since it is larger than the sum of its proper divisors (218476151162).

434542635658 is a wasteful number, since it uses less digits than its factorization.

434542635658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401611112.

The product of its digits is 41472000, while the sum is 55.

The spelling of 434542635658 in words is "four hundred thirty-four billion, five hundred forty-two million, six hundred thirty-five thousand, six hundred fifty-eight".