406571436122643 has 48 divisors (see below), whose sum is σ = 641113174770432. Its totient is φ = 246231890280000.

The previous prime is 406571436122639. The next prime is 406571436122693. The reversal of 406571436122643 is 346221634175604.

406571436122643 is a `hidden beast` number, since 4 + 0 + 6 + 5 + 7 + 14 + 3 + 612 + 2 + 6 + 4 + 3 = 666.

It is not a de Polignac number, because 406571436122643 - 2² = 406571436122639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406571436122643.

It is not an unprimeable number, because it can be changed into a prime (406571436122623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3046621746 + ... + 3046755192.

It is an arithmetic number, because the mean of its divisors is an integer number (13356524474384).

Almost surely, 2^{406571436122643} is an apocalyptic number.

406571436122643 is a deficient number, since it is larger than the sum of its proper divisors (234541738647789).

406571436122643 is a wasteful number, since it uses less digits than its factorization.

406571436122643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155096 (or 155093 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 54.

The spelling of 406571436122643 in words is "four hundred six trillion, five hundred seventy-one billion, four hundred thirty-six million, one hundred twenty-two thousand, six hundred forty-three".