48789861691 has 4 divisors (see below), whose sum is σ = 48793565800. Its totient is φ = 48786157584.

The previous prime is 48789861689. The next prime is 48789861713. The reversal of 48789861691 is 19616898784.

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

It is a cyclic number.

It is not a de Polignac number, because 48789861691 - 2¹ = 48789861689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48789861611) 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, 1832226 + ... + 1858663.

It is an arithmetic number, because the mean of its divisors is an integer number (12198391450).

Almost surely, 2^48789861691 is an apocalyptic number.

48789861691 is a deficient number, since it is larger than the sum of its proper divisors (3704109).

48789861691 is a wasteful number, since it uses less digits than its factorization.

48789861691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704108.

The product of its digits is 41803776, while the sum is 67.

The spelling of 48789861691 in words is "forty-eight billion, seven hundred eighty-nine million, eight hundred sixty-one thousand, six hundred ninety-one".