406841505943 has 4 divisors (see below), whose sum is σ = 406956404008. Its totient is φ = 406726607880.

The previous prime is 406841505881. The next prime is 406841505971. The reversal of 406841505943 is 349505148604.

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

It is a cyclic number.

It is not a de Polignac number, because 406841505943 - 2²¹ = 406839408791 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 (406841505043) 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, 57443721 + ... + 57450802.

It is an arithmetic number, because the mean of its divisors is an integer number (101739101002).

Almost surely, 2^406841505943 is an apocalyptic number.

406841505943 is a deficient number, since it is larger than the sum of its proper divisors (114898065).

406841505943 is a wasteful number, since it uses less digits than its factorization.

406841505943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114898064.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 406841505943 in words is "four hundred six billion, eight hundred forty-one million, five hundred five thousand, nine hundred forty-three".