448131982651 has 4 divisors (see below), whose sum is σ = 451139580000. Its totient is φ = 445124385304.

The previous prime is 448131982633. The next prime is 448131982687. The reversal of 448131982651 is 156289131844.

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 448131982651 - 2²⁹ = 447595111739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448131482651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503798451 + ... + 1503798748.

It is an arithmetic number, because the mean of its divisors is an integer number (112784895000).

Almost surely, 2^448131982651 is an apocalyptic number.

448131982651 is a deficient number, since it is larger than the sum of its proper divisors (3007597349).

448131982651 is a wasteful number, since it uses less digits than its factorization.

448131982651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007597348.

The product of its digits is 1658880, while the sum is 52.

The spelling of 448131982651 in words is "four hundred forty-eight billion, one hundred thirty-one million, nine hundred eighty-two thousand, six hundred fifty-one".