2664005231443 has 2 divisors, whose sum is σ = 2664005231444. Its totient is φ = 2664005231442.

The previous prime is 2664005231441. The next prime is 2664005231549. The reversal of 2664005231443 is 3441325004662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664005231443 - 2¹ = 2664005231441 is a prime.

Together with 2664005231441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2664005231396 and 2664005231405.

It is not a weakly prime, because it can be changed into another prime (2664005231441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332002615721 + 1332002615722.

It is an arithmetic number, because the mean of its divisors is an integer number (1332002615722).

Almost surely, 2^{2664005231443} is an apocalyptic number.

2664005231443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664005231443 is an equidigital number, since it uses as much as digits as its factorization.

2664005231443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 2664005231443 in words is "two trillion, six hundred sixty-four billion, five million, two hundred thirty-one thousand, four hundred forty-three".