48945488189 has 4 divisors (see below), whose sum is σ = 52710525756. Its totient is φ = 45180450624.

The previous prime is 48945488177. The next prime is 48945488197. The reversal of 48945488189 is 98188454984.

48945488189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 20668375225 + 28277112964 = 143765^2 + 168158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48945488189 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 (48945488089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882518764 + ... + 1882518789.

It is an arithmetic number, because the mean of its divisors is an integer number (13177631439).

Almost surely, 2^48945488189 is an apocalyptic number.

It is an amenable number.

48945488189 is a deficient number, since it is larger than the sum of its proper divisors (3765037567).

48945488189 is a wasteful number, since it uses less digits than its factorization.

48945488189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765037566.

The product of its digits is 106168320, while the sum is 68.

The spelling of 48945488189 in words is "forty-eight billion, nine hundred forty-five million, four hundred eighty-eight thousand, one hundred eighty-nine".