48449999989 has 8 divisors (see below), whose sum is σ = 49071204000. Its totient is φ = 47832691152.

The previous prime is 48449999963. The next prime is 48449999993. The reversal of 48449999989 is 98999994484.

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

It is a cyclic number.

It is not a de Polignac number, because 48449999989 - 2³¹ = 46302516341 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 (48449990989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948754 + ... + 998515.

It is an arithmetic number, because the mean of its divisors is an integer number (6133900500).

Almost surely, 2^48449999989 is an apocalyptic number.

It is an amenable number.

48449999989 is a deficient number, since it is larger than the sum of its proper divisors (621204011).

48449999989 is a wasteful number, since it uses less digits than its factorization.

48449999989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947587.

The product of its digits is 2176782336, while the sum is 82.

The spelling of 48449999989 in words is "forty-eight billion, four hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".