448223299951 has 4 divisors (see below), whose sum is σ = 512255199952. Its totient is φ = 384191399952.

The previous prime is 448223299913. The next prime is 448223299957. The reversal of 448223299951 is 159992322844.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 448223299951 - 2¹⁵ = 448223267183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448223299957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32015949990 + ... + 32015950003.

It is an arithmetic number, because the mean of its divisors is an integer number (128063799988).

Almost surely, 2^448223299951 is an apocalyptic number.

448223299951 is a deficient number, since it is larger than the sum of its proper divisors (64031900001).

448223299951 is an equidigital number, since it uses as much as digits as its factorization.

448223299951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64031900000.

The product of its digits is 11197440, while the sum is 58.

The spelling of 448223299951 in words is "four hundred forty-eight billion, two hundred twenty-three million, two hundred ninety-nine thousand, nine hundred fifty-one".