210206400005 has 16 divisors (see below), whose sum is σ = 291081932544. Its totient is φ = 142742096640.

The previous prime is 210206399993. The next prime is 210206400011. The reversal of 210206400005 is 500004602012.

It is a happy number.

It is not a de Polignac number, because 210206400005 - 2⁴ = 210206399989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210206400005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29151236 + ... + 29158445.

It is an arithmetic number, because the mean of its divisors is an integer number (18192620784).

Almost surely, 2^210206400005 is an apocalyptic number.

It is an amenable number.

210206400005 is a deficient number, since it is larger than the sum of its proper divisors (80875532539).

210206400005 is a wasteful number, since it uses less digits than its factorization.

210206400005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58309796.

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 210206400005 in words is "two hundred ten billion, two hundred six million, four hundred thousand, five".