48515277889 has 4 divisors (see below), whose sum is σ = 52247222356. Its totient is φ = 44783333424.

The previous prime is 48515277851. The next prime is 48515277919. The reversal of 48515277889 is 98877251584.

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 14352040000 + 34163237889 = 119800^2 + 184833^2 .

It is a cyclic number.

It is not a de Polignac number, because 48515277889 - 2³¹ = 46367794241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48515277889.

It is not an unprimeable number, because it can be changed into a prime (48515277289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865972214 + ... + 1865972239.

It is an arithmetic number, because the mean of its divisors is an integer number (13061805589).

Almost surely, 2^48515277889 is an apocalyptic number.

It is an amenable number.

48515277889 is a deficient number, since it is larger than the sum of its proper divisors (3731944467).

48515277889 is a wasteful number, since it uses less digits than its factorization.

48515277889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731944466.

The product of its digits is 45158400, while the sum is 64.

The spelling of 48515277889 in words is "forty-eight billion, five hundred fifteen million, two hundred seventy-seven thousand, eight hundred eighty-nine".