48756363721 has 4 divisors (see below), whose sum is σ = 52506853252. Its totient is φ = 45005874192.

The previous prime is 48756363713. The next prime is 48756363763. The reversal of 48756363721 is 12736365784.

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 9852746121 + 38903617600 = 99261^2 + 197240^2 .

It is a cyclic number.

It is not a de Polignac number, because 48756363721 - 2³ = 48756363713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48756363421) 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, 1875244746 + ... + 1875244771.

It is an arithmetic number, because the mean of its divisors is an integer number (13126713313).

Almost surely, 2^48756363721 is an apocalyptic number.

It is an amenable number.

48756363721 is a deficient number, since it is larger than the sum of its proper divisors (3750489531).

48756363721 is a wasteful number, since it uses less digits than its factorization.

48756363721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750489530.

The product of its digits is 5080320, while the sum is 52.

The spelling of 48756363721 in words is "forty-eight billion, seven hundred fifty-six million, three hundred sixty-three thousand, seven hundred twenty-one".