2081408143 has 4 divisors (see below), whose sum is σ = 2190955960. Its totient is φ = 1971860328.

The previous prime is 2081408137. The next prime is 2081408159. The reversal of 2081408143 is 3418041802.

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 2081408143 - 2⁵ = 2081408111 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 (2081408843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54773880 + ... + 54773917.

It is an arithmetic number, because the mean of its divisors is an integer number (547738990).

Almost surely, 2^2081408143 is an apocalyptic number.

2081408143 is a deficient number, since it is larger than the sum of its proper divisors (109547817).

2081408143 is a wasteful number, since it uses less digits than its factorization.

2081408143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109547816.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2081408143 is about 45622.4521809164. The cubic root of 2081408143 is about 1276.7888550080.

Adding to 2081408143 its reverse (3418041802), we get a palindrome (5499449945).

The spelling of 2081408143 in words is "two billion, eighty-one million, four hundred eight thousand, one hundred forty-three".