405434502102143 has 4 divisors (see below), whose sum is σ = 405434543479680. Its totient is φ = 405434460724608.

The previous prime is 405434502102103. The next prime is 405434502102193. The reversal of 405434502102143 is 341201205434504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 405434502102143 - 2⁶ = 405434502102079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405434502102097 and 405434502102106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405434502102103) 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, 3214946 + ... + 28656672.

It is an arithmetic number, because the mean of its divisors is an integer number (101358635869920).

Almost surely, 2^{405434502102143} is an apocalyptic number.

405434502102143 is a deficient number, since it is larger than the sum of its proper divisors (41377537).

405434502102143 is a wasteful number, since it uses less digits than its factorization.

405434502102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41377536.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 405434502102143 its reverse (341201205434504), we get a palindrome (746635707536647).

The spelling of 405434502102143 in words is "four hundred five trillion, four hundred thirty-four billion, five hundred two million, one hundred two thousand, one hundred forty-three".