406673298881 has 8 divisors (see below), whose sum is σ = 408164820840. Its totient is φ = 405181945728.

The previous prime is 406673298853. The next prime is 406673298919. The reversal of 406673298881 is 188892376604.

It can be written as a sum of positive squares in 4 ways, for example, as 74684144656 + 331989154225 = 273284^2 + 576185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406673298881 - 2³⁴ = 389493429697 is a prime.

It is a super-2 number, since 2×406673298881² (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 (406673198881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6814685 + ... + 6874101.

It is an arithmetic number, because the mean of its divisors is an integer number (51020602605).

Almost surely, 2^406673298881 is an apocalyptic number.

It is an amenable number.

406673298881 is a deficient number, since it is larger than the sum of its proper divisors (1491521959).

406673298881 is a wasteful number, since it uses less digits than its factorization.

406673298881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84403.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 406673298881 in words is "four hundred six billion, six hundred seventy-three million, two hundred ninety-eight thousand, eight hundred eighty-one".