448139698047 has 48 divisors (see below), whose sum is σ = 676131476800. Its totient is φ = 285740006400.

The previous prime is 448139697923. The next prime is 448139698057. The reversal of 448139698047 is 740896931844.

448139698047 is a `hidden beast` number, since 4 + 481 + 39 + 6 + 9 + 80 + 47 = 666.

It is not a de Polignac number, because 448139698047 - 2¹¹ = 448139695999 is a prime.

It is a super-2 number, since 2×448139698047² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448139698057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37187079 + ... + 37199127.

Almost surely, 2^448139698047 is an apocalyptic number.

448139698047 is a deficient number, since it is larger than the sum of its proper divisors (227991778753).

448139698047 is a wasteful number, since it uses less digits than its factorization.

448139698047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984 (or 13981 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 448139698047 in words is "four hundred forty-eight billion, one hundred thirty-nine million, six hundred ninety-eight thousand, forty-seven".