448261493349 has 4 divisors (see below), whose sum is σ = 597681991136. Its totient is φ = 298840995564.

The previous prime is 448261493333. The next prime is 448261493359. The reversal of 448261493349 is 943394162844.

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 not a de Polignac number, because 448261493349 - 2⁴ = 448261493333 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 (448261493359) 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, 74710248889 + ... + 74710248894.

It is an arithmetic number, because the mean of its divisors is an integer number (149420497784).

Almost surely, 2^448261493349 is an apocalyptic number.

It is an amenable number.

448261493349 is a deficient number, since it is larger than the sum of its proper divisors (149420497787).

448261493349 is a wasteful number, since it uses less digits than its factorization.

448261493349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149420497786.

The product of its digits is 17915904, while the sum is 57.

The spelling of 448261493349 in words is "four hundred forty-eight billion, two hundred sixty-one million, four hundred ninety-three thousand, three hundred forty-nine".