2005097143 has 16 divisors (see below), whose sum is σ = 2367016960. Its totient is φ = 1662120000.

The previous prime is 2005097131. The next prime is 2005097201. The reversal of 2005097143 is 3417905002.

It is a cyclic number.

It is not a de Polignac number, because 2005097143 - 2⁹ = 2005096631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005095143) by changing a digit.

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, 649678 + ... + 652756.

It is an arithmetic number, because the mean of its divisors is an integer number (147938560).

Almost surely, 2^2005097143 is an apocalyptic number.

2005097143 is a deficient number, since it is larger than the sum of its proper divisors (361919817).

2005097143 is a wasteful number, since it uses less digits than its factorization.

2005097143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2005097143 is about 44778.3110780208. The cubic root of 2005097143 is about 1260.9904748668.

The spelling of 2005097143 in words is "two billion, five million, ninety-seven thousand, one hundred forty-three".