448343515621641 has 16 divisors (see below), whose sum is σ = 625528027696640. Its totient is φ = 285291499109760.

The previous prime is 448343515621633. The next prime is 448343515621681. The reversal of 448343515621641 is 146126515343844.

It is not a de Polignac number, because 448343515621641 - 2³ = 448343515621633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448343515621681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33019842646 + ... + 33019856223.

It is an arithmetic number, because the mean of its divisors is an integer number (39095501731040).

Almost surely, 2^{448343515621641} is an apocalyptic number.

It is an amenable number.

448343515621641 is a deficient number, since it is larger than the sum of its proper divisors (177184512074999).

448343515621641 is a wasteful number, since it uses less digits than its factorization.

448343515621641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66039698976.

The product of its digits is 33177600, while the sum is 57.

The spelling of 448343515621641 in words is "four hundred forty-eight trillion, three hundred forty-three billion, five hundred fifteen million, six hundred twenty-one thousand, six hundred forty-one".