434836231855 has 4 divisors (see below), whose sum is σ = 521803478232. Its totient is φ = 347868985480.

The previous prime is 434836231853. The next prime is 434836231861. The reversal of 434836231855 is 558132638434.

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

It is not a de Polignac number, because 434836231855 - 2¹ = 434836231853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434836231853) 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, 43483623181 + ... + 43483623190.

It is an arithmetic number, because the mean of its divisors is an integer number (130450869558).

Almost surely, 2^434836231855 is an apocalyptic number.

434836231855 is a deficient number, since it is larger than the sum of its proper divisors (86967246377).

434836231855 is an equidigital number, since it uses as much as digits as its factorization.

434836231855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86967246376.

The product of its digits is 8294400, while the sum is 52.

The spelling of 434836231855 in words is "four hundred thirty-four billion, eight hundred thirty-six million, two hundred thirty-one thousand, eight hundred fifty-five".