48189512813 has 4 divisors (see below), whose sum is σ = 51896398428. Its totient is φ = 44482627200.

The previous prime is 48189512809. The next prime is 48189512827. The reversal of 48189512813 is 31821598184.

48189512813 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 16703494564 + 31486018249 = 129242^2 + 177443^2 .

It is a cyclic number.

It is not a de Polignac number, because 48189512813 - 2² = 48189512809 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 (48189512113) 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, 1853442788 + ... + 1853442813.

It is an arithmetic number, because the mean of its divisors is an integer number (12974099607).

Almost surely, 2^48189512813 is an apocalyptic number.

It is an amenable number.

48189512813 is a deficient number, since it is larger than the sum of its proper divisors (3706885615).

48189512813 is a wasteful number, since it uses less digits than its factorization.

48189512813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706885614.

The product of its digits is 552960, while the sum is 50.

The spelling of 48189512813 in words is "forty-eight billion, one hundred eighty-nine million, five hundred twelve thousand, eight hundred thirteen".