2666052443 has 2 divisors, whose sum is σ = 2666052444. Its totient is φ = 2666052442.

The previous prime is 2666052439. The next prime is 2666052463. The reversal of 2666052443 is 3442506662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666052443 - 2² = 2666052439 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2666052397 and 2666052406.

It is not a weakly prime, because it can be changed into another prime (2666052413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333026221 + 1333026222.

It is an arithmetic number, because the mean of its divisors is an integer number (1333026222).

Almost surely, 2^2666052443 is an apocalyptic number.

2666052443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666052443 is an equidigital number, since it uses as much as digits as its factorization.

2666052443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2666052443 is about 51633.8304118530. The cubic root of 2666052443 is about 1386.6160707996.

The spelling of 2666052443 in words is "two billion, six hundred sixty-six million, fifty-two thousand, four hundred forty-three".