210400104143 has 4 divisors (see below), whose sum is σ = 210441863520. Its totient is φ = 210358344768.

The previous prime is 210400104107. The next prime is 210400104163. The reversal of 210400104143 is 341401004012.

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

It is a cyclic number.

It is not a de Polignac number, because 210400104143 - 2¹⁸ = 210399841999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210400104163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20872130 + ... + 20882207.

It is an arithmetic number, because the mean of its divisors is an integer number (52610465880).

Almost surely, 2^210400104143 is an apocalyptic number.

210400104143 is a deficient number, since it is larger than the sum of its proper divisors (41759377).

210400104143 is an equidigital number, since it uses as much as digits as its factorization.

210400104143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41759376.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210400104143 its reverse (341401004012), we get a palindrome (551801108155).

The spelling of 210400104143 in words is "two hundred ten billion, four hundred million, one hundred four thousand, one hundred forty-three".