2666324239 has 2 divisors, whose sum is σ = 2666324240. Its totient is φ = 2666324238.

The previous prime is 2666324231. The next prime is 2666324261. The reversal of 2666324239 is 9324236662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666324239 - 2³ = 2666324231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2666324195 and 2666324204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666324231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333162119 + 1333162120.

It is an arithmetic number, because the mean of its divisors is an integer number (1333162120).

Almost surely, 2^2666324239 is an apocalyptic number.

2666324239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666324239 is an equidigital number, since it uses as much as digits as its factorization.

2666324239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 43.

The square root of 2666324239 is about 51636.4623013622. The cubic root of 2666324239 is about 1386.6631896396.

The spelling of 2666324239 in words is "two billion, six hundred sixty-six million, three hundred twenty-four thousand, two hundred thirty-nine".