448702121876461 has 4 divisors (see below), whose sum is σ = 448702676507932. Its totient is φ = 448701567244992.

The previous prime is 448702121876441. The next prime is 448702121876473. The reversal of 448702121876461 is 164678121207844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 267108978953961 + 181593142922500 = 16343469^2 + 13475650^2 .

It is a cyclic number.

It is not a de Polignac number, because 448702121876461 - 2²⁷ = 448701987658733 is a prime.

It is a super-2 number, since 2×448702121876461² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448702121876461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448702121876441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276100446 + ... + 277720831.

It is an arithmetic number, because the mean of its divisors is an integer number (112175669126983).

Almost surely, 2^{448702121876461} is an apocalyptic number.

It is an amenable number.

448702121876461 is a deficient number, since it is larger than the sum of its proper divisors (554631471).

448702121876461 is an equidigital number, since it uses as much as digits as its factorization.

448702121876461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554631470.

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 448702121876461 in words is "four hundred forty-eight trillion, seven hundred two billion, one hundred twenty-one million, eight hundred seventy-six thousand, four hundred sixty-one".