448961938513 has 8 divisors (see below), whose sum is σ = 489805879680. Its totient is φ = 408122867280.

The previous prime is 448961938499. The next prime is 448961938517. The reversal of 448961938513 is 315839169844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448961938513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448961938517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023370 + ... + 1394707.

It is an arithmetic number, because the mean of its divisors is an integer number (61225734960).

Almost surely, 2^448961938513 is an apocalyptic number.

It is an amenable number.

448961938513 is a deficient number, since it is larger than the sum of its proper divisors (40843941167).

448961938513 is a wasteful number, since it uses less digits than its factorization.

448961938513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434967.

The product of its digits is 22394880, while the sum is 61.

The spelling of 448961938513 in words is "four hundred forty-eight billion, nine hundred sixty-one million, nine hundred thirty-eight thousand, five hundred thirteen".