2620206143 has 4 divisors (see below), whose sum is σ = 2630169168. Its totient is φ = 2610243120.

The previous prime is 2620206109. The next prime is 2620206151. The reversal of 2620206143 is 3416020262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620206143 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 (2620206163) 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, 4981118 + ... + 4981643.

It is an arithmetic number, because the mean of its divisors is an integer number (657542292).

Almost surely, 2^2620206143 is an apocalyptic number.

2620206143 is a deficient number, since it is larger than the sum of its proper divisors (9963025).

2620206143 is an equidigital number, since it uses as much as digits as its factorization.

2620206143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963024.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2620206143 is about 51187.9491970522. The cubic root of 2620206143 is about 1378.6218375664.

The spelling of 2620206143 in words is "two billion, six hundred twenty million, two hundred six thousand, one hundred forty-three".