448591802639 has 4 divisors (see below), whose sum is σ = 459533066160. Its totient is φ = 437650539120.

The previous prime is 448591802537. The next prime is 448591802689. The reversal of 448591802639 is 936208195844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448591802639 - 2²⁸ = 448323367183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448591802689) 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 in 3 ways as a sum of consecutive naturals, for example, 5470631699 + ... + 5470631780.

It is an arithmetic number, because the mean of its divisors is an integer number (114883266540).

Almost surely, 2^448591802639 is an apocalyptic number.

448591802639 is a deficient number, since it is larger than the sum of its proper divisors (10941263521).

448591802639 is a wasteful number, since it uses less digits than its factorization.

448591802639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10941263520.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 448591802639 in words is "four hundred forty-eight billion, five hundred ninety-one million, eight hundred two thousand, six hundred thirty-nine".