17820364473005 has 16 divisors (see below), whose sum is σ = 21953767993344. Its totient is φ = 13879914011520.

The previous prime is 17820364472993. The next prime is 17820364473011. The reversal of 17820364473005 is 50037446302871.

It is not a de Polignac number, because 17820364473005 - 2⁶ = 17820364472941 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 198466472 + ... + 198556241.

It is an arithmetic number, because the mean of its divisors is an integer number (1372110499584).

Almost surely, 2^{17820364473005} is an apocalyptic number.

It is an amenable number.

17820364473005 is a deficient number, since it is larger than the sum of its proper divisors (4133403520339).

17820364473005 is a wasteful number, since it uses less digits than its factorization.

17820364473005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397022956.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 17820364473005 in words is "seventeen trillion, eight hundred twenty billion, three hundred sixty-four million, four hundred seventy-three thousand, five".