448622822639 has 2 divisors, whose sum is σ = 448622822640. Its totient is φ = 448622822638.

The previous prime is 448622822611. The next prime is 448622822693. The reversal of 448622822639 is 936228226844.

It is a happy number.

Together with next prime (448622822693) 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 448622822639 - 2⁸ = 448622822383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448622822699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224311411319 + 224311411320.

It is an arithmetic number, because the mean of its divisors is an integer number (224311411320).

Almost surely, 2^448622822639 is an apocalyptic number.

448622822639 is a deficient number, since it is larger than the sum of its proper divisors (1).

448622822639 is an equidigital number, since it uses as much as digits as its factorization.

448622822639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 56.

The spelling of 448622822639 in words is "four hundred forty-eight billion, six hundred twenty-two million, eight hundred twenty-two thousand, six hundred thirty-nine".