48999546689 has 4 divisors (see below), whose sum is σ = 50689186260. Its totient is φ = 47309907120.

The previous prime is 48999546667. The next prime is 48999546703. The reversal of 48999546689 is 98664599984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30832550464 + 18166996225 = 175592^2 + 134785^2 .

It is a cyclic number.

It is not a de Polignac number, because 48999546689 - 2¹² = 48999542593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48999546989) 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 3 ways as a sum of consecutive naturals, for example, 844819742 + ... + 844819799.

It is an arithmetic number, because the mean of its divisors is an integer number (12672296565).

Almost surely, 2^48999546689 is an apocalyptic number.

It is an amenable number.

48999546689 is a deficient number, since it is larger than the sum of its proper divisors (1689639571).

48999546689 is a wasteful number, since it uses less digits than its factorization.

48999546689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689639570.

The product of its digits is 1209323520, while the sum is 77.

The spelling of 48999546689 in words is "forty-eight billion, nine hundred ninety-nine million, five hundred forty-six thousand, six hundred eighty-nine".