406817090794 has 4 divisors (see below), whose sum is σ = 610225636194. Its totient is φ = 203408545396.

The previous prime is 406817090773. The next prime is 406817090831. The reversal of 406817090794 is 497090718604.

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

It can be written as a sum of positive squares in only one way, i.e., 295678200169 + 111138890625 = 543763^2 + 333375^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101704272697 + ... + 101704272700.

Almost surely, 2^406817090794 is an apocalyptic number.

406817090794 is a deficient number, since it is larger than the sum of its proper divisors (203408545400).

406817090794 is a wasteful number, since it uses less digits than its factorization.

406817090794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203408545399.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 406817090794 in words is "four hundred six billion, eight hundred seventeen million, ninety thousand, seven hundred ninety-four".