2066354539 has 4 divisors (see below), whose sum is σ = 2187904824. Its totient is φ = 1944804256.

The previous prime is 2066354501. The next prime is 2066354561. The reversal of 2066354539 is 9354536602.

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 2066354539 - 2⁹ = 2066354027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066354495 and 2066354504.

It is not an unprimeable number, because it can be changed into a prime (2066354579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60775117 + ... + 60775150.

It is an arithmetic number, because the mean of its divisors is an integer number (546976206).

Almost surely, 2^2066354539 is an apocalyptic number.

2066354539 is a deficient number, since it is larger than the sum of its proper divisors (121550285).

2066354539 is a wasteful number, since it uses less digits than its factorization.

2066354539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121550284.

The product of its (nonzero) digits is 583200, while the sum is 43.

The square root of 2066354539 is about 45457.1725803530. The cubic root of 2066354539 is about 1273.7033161332.

The spelling of 2066354539 in words is "two billion, sixty-six million, three hundred fifty-four thousand, five hundred thirty-nine".