448000218961 has 2 divisors, whose sum is σ = 448000218962. Its totient is φ = 448000218960.

The previous prime is 448000218959. The next prime is 448000218979. The reversal of 448000218961 is 169812000844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423743713936 + 24256505025 = 650956^2 + 155745^2 .

It is a cyclic number.

It is not a de Polignac number, because 448000218961 - 2¹ = 448000218959 is a prime.

Together with 448000218959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (448000218461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224000109480 + 224000109481.

It is an arithmetic number, because the mean of its divisors is an integer number (224000109481).

Almost surely, 2^448000218961 is an apocalyptic number.

It is an amenable number.

448000218961 is a deficient number, since it is larger than the sum of its proper divisors (1).

448000218961 is an equidigital number, since it uses as much as digits as its factorization.

448000218961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 448000218961 in words is "four hundred forty-eight billion, two hundred eighteen thousand, nine hundred sixty-one".