448181541613 has 8 divisors (see below), whose sum is σ = 482951910168. Its totient is φ = 413453296704.

The previous prime is 448181541557. The next prime is 448181541617. The reversal of 448181541613 is 316145181844.

It can be written as a sum of positive squares in 4 ways, for example, as 96595396804 + 351586144809 = 310798^2 + 592947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448181541613 - 2¹⁷ = 448181410541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448181541617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10508806 + ... + 10551367.

It is an arithmetic number, because the mean of its divisors is an integer number (60368988771).

Almost surely, 2^448181541613 is an apocalyptic number.

It is an amenable number.

448181541613 is a deficient number, since it is larger than the sum of its proper divisors (34770368555).

448181541613 is a wasteful number, since it uses less digits than its factorization.

448181541613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21061823.

The product of its digits is 368640, while the sum is 46.

The spelling of 448181541613 in words is "four hundred forty-eight billion, one hundred eighty-one million, five hundred forty-one thousand, six hundred thirteen".