2066531294 has 4 divisors (see below), whose sum is σ = 3099796944. Its totient is φ = 1033265646.

The previous prime is 2066531293. The next prime is 2066531303. The reversal of 2066531294 is 4921356602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066531293) 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 as a sum of consecutive naturals, namely, 516632822 + ... + 516632825.

It is an arithmetic number, because the mean of its divisors is an integer number (774949236).

Almost surely, 2^2066531294 is an apocalyptic number.

2066531294 is a deficient number, since it is larger than the sum of its proper divisors (1033265650).

2066531294 is a wasteful number, since it uses less digits than its factorization.

2066531294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033265649.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2066531294 is about 45459.1167314104. The cubic root of 2066531294 is about 1273.7396324262.

Adding to 2066531294 its reverse (4921356602), we get a palindrome (6987887896).

The spelling of 2066531294 in words is "two billion, sixty-six million, five hundred thirty-one thousand, two hundred ninety-four".