448000251729 has 4 divisors (see below), whose sum is σ = 597333668976. Its totient is φ = 298666834484.

The previous prime is 448000251691. The next prime is 448000251731. The reversal of 448000251729 is 927152000844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448000251729 - 2¹⁵ = 448000218961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448000251329) 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, 74666708619 + ... + 74666708624.

It is an arithmetic number, because the mean of its divisors is an integer number (149333417244).

Almost surely, 2^448000251729 is an apocalyptic number.

It is an amenable number.

448000251729 is a deficient number, since it is larger than the sum of its proper divisors (149333417247).

448000251729 is a wasteful number, since it uses less digits than its factorization.

448000251729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149333417246.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 448000251729 in words is "four hundred forty-eight billion, two hundred fifty-one thousand, seven hundred twenty-nine".