2066531239 has 2 divisors, whose sum is σ = 2066531240. Its totient is φ = 2066531238.

The previous prime is 2066531197. The next prime is 2066531249. The reversal of 2066531239 is 9321356602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066531239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2066531198 and 2066531207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066531249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033265619 + 1033265620.

It is an arithmetic number, because the mean of its divisors is an integer number (1033265620).

Almost surely, 2^2066531239 is an apocalyptic number.

2066531239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066531239 is an equidigital number, since it uses as much as digits as its factorization.

2066531239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 2066531239 is about 45459.1161264713. The cubic root of 2066531239 is about 1273.7396211262.

The spelling of 2066531239 in words is "two billion, sixty-six million, five hundred thirty-one thousand, two hundred thirty-nine".