434694408641 has 4 divisors (see below), whose sum is σ = 434696544132. Its totient is φ = 434692273152.

The previous prime is 434694408637. The next prime is 434694408703. The reversal of 434694408641 is 146804496434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 109570930225 + 325123478416 = 331015^2 + 570196^2 .

It is a cyclic number.

It is not a de Polignac number, because 434694408641 - 2² = 434694408637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434694408601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725936 + ... + 1181681.

It is an arithmetic number, because the mean of its divisors is an integer number (108674136033).

Almost surely, 2^434694408641 is an apocalyptic number.

It is an amenable number.

434694408641 is a deficient number, since it is larger than the sum of its proper divisors (2135491).

434694408641 is a wasteful number, since it uses less digits than its factorization.

434694408641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135490.

The product of its (nonzero) digits is 7962624, while the sum is 53.

The spelling of 434694408641 in words is "four hundred thirty-four billion, six hundred ninety-four million, four hundred eight thousand, six hundred forty-one".