406263217473 has 24 divisors (see below), whose sum is σ = 612681600960. Its totient is φ = 258921352800.

The previous prime is 406263217441. The next prime is 406263217487. The reversal of 406263217473 is 374712362604.

406263217473 is a `hidden beast` number, since 4 + 0 + 6 + 2 + 632 + 1 + 7 + 4 + 7 + 3 = 666.

It is not a de Polignac number, because 406263217473 - 2⁵ = 406263217441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406263217433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178203 + ... + 918848.

It is an arithmetic number, because the mean of its divisors is an integer number (25528400040).

Almost surely, 2^406263217473 is an apocalyptic number.

It is an amenable number.

406263217473 is a deficient number, since it is larger than the sum of its proper divisors (206418383487).

406263217473 is a wasteful number, since it uses less digits than its factorization.

406263217473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098869 (or 1098866 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 406263217473 in words is "four hundred six billion, two hundred sixty-three million, two hundred seventeen thousand, four hundred seventy-three".