675435344121 has 12 divisors (see below), whose sum is σ = 976195091248. Its totient is φ = 450028878264.

The previous prime is 675435344119. The next prime is 675435344149. The reversal of 675435344121 is 121443534576.

675435344121 is a `hidden beast` number, since 6 + 7 + 54 + 3 + 534 + 41 + 21 = 666.

675435344121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675435344121 - 2¹ = 675435344119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675435344191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21762895 + ... + 21793908.

Almost surely, 2^675435344121 is an apocalyptic number.

It is an amenable number.

675435344121 is a deficient number, since it is larger than the sum of its proper divisors (300759747127).

675435344121 is a wasteful number, since it uses less digits than its factorization.

675435344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43558532 (or 43558529 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

Adding to 675435344121 its reverse (121443534576), we get a palindrome (796878878697).

The spelling of 675435344121 in words is "six hundred seventy-five billion, four hundred thirty-five million, three hundred forty-four thousand, one hundred twenty-one".