406871479841 has 4 divisors (see below), whose sum is σ = 420901530900. Its totient is φ = 392841428784.

The previous prime is 406871479823. The next prime is 406871479853. The reversal of 406871479841 is 148974178604.

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 115330876816 + 291540603025 = 339604^2 + 539945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406871479841 is a prime.

It is a super-2 number, since 2×406871479841² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406871479801) 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, 7015025486 + ... + 7015025543.

It is an arithmetic number, because the mean of its divisors is an integer number (105225382725).

Almost surely, 2^406871479841 is an apocalyptic number.

It is an amenable number.

406871479841 is a deficient number, since it is larger than the sum of its proper divisors (14030051059).

406871479841 is a wasteful number, since it uses less digits than its factorization.

406871479841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030051058.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 406871479841 in words is "four hundred six billion, eight hundred seventy-one million, four hundred seventy-nine thousand, eight hundred forty-one".