2320443226639 has 2 divisors, whose sum is σ = 2320443226640. Its totient is φ = 2320443226638.

The previous prime is 2320443226603. The next prime is 2320443226693. The reversal of 2320443226639 is 9366223440232.

Together with next prime (2320443226693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320443226639 - 2¹¹ = 2320443224591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320443220639) 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, 1160221613319 + 1160221613320.

It is an arithmetic number, because the mean of its divisors is an integer number (1160221613320).

Almost surely, 2^{2320443226639} is an apocalyptic number.

2320443226639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320443226639 is an equidigital number, since it uses as much as digits as its factorization.

2320443226639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 46.

The spelling of 2320443226639 in words is "two trillion, three hundred twenty billion, four hundred forty-three million, two hundred twenty-six thousand, six hundred thirty-nine".