448791613605 has 40 divisors (see below), whose sum is σ = 806527260792. Its totient is φ = 238752531072.

The previous prime is 448791613603. The next prime is 448791613609. The reversal of 448791613605 is 506316197844.

448791613605 is a `hidden beast` number, since 4 + 4 + 8 + 7 + 9 + 16 + 13 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4192044516 + 444599569089 = 64746^2 + 666783^2 .

It is not a de Polignac number, because 448791613605 - 2¹ = 448791613603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448791613603) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1234842 + ... + 1556411.

Almost surely, 2^448791613605 is an apocalyptic number.

448791613605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

448791613605 is a deficient number, since it is larger than the sum of its proper divisors (357735647187).

448791613605 is a wasteful number, since it uses less digits than its factorization.

448791613605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791667 (or 2791658 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 448791613605 in words is "four hundred forty-eight billion, seven hundred ninety-one million, six hundred thirteen thousand, six hundred five".