434542635659 has 4 divisors (see below), whose sum is σ = 474046511640. Its totient is φ = 395038759680.

The previous prime is 434542635643. The next prime is 434542635661. The reversal of 434542635659 is 956536245434.

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 434542635659 - 2⁴ = 434542635643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434542631659) 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, 19751937974 + ... + 19751937995.

It is an arithmetic number, because the mean of its divisors is an integer number (118511627910).

Almost surely, 2^434542635659 is an apocalyptic number.

434542635659 is a deficient number, since it is larger than the sum of its proper divisors (39503875981).

434542635659 is a wasteful number, since it uses less digits than its factorization.

434542635659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503875980.

The product of its digits is 46656000, while the sum is 56.

The spelling of 434542635659 in words is "four hundred thirty-four billion, five hundred forty-two million, six hundred thirty-five thousand, six hundred fifty-nine".