448642440667 has 2 divisors, whose sum is σ = 448642440668. Its totient is φ = 448642440666.

The previous prime is 448642440629. The next prime is 448642440671. The reversal of 448642440667 is 766044246844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448642440667 - 2³¹ = 446494957019 is a prime.

It is not a weakly prime, because it can be changed into another prime (448642440067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224321220333 + 224321220334.

It is an arithmetic number, because the mean of its divisors is an integer number (224321220334).

Almost surely, 2^448642440667 is an apocalyptic number.

448642440667 is a deficient number, since it is larger than the sum of its proper divisors (1).

448642440667 is an equidigital number, since it uses as much as digits as its factorization.

448642440667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 55.

The spelling of 448642440667 in words is "four hundred forty-eight billion, six hundred forty-two million, four hundred forty thousand, six hundred sixty-seven".