48481248821 has 2 divisors, whose sum is σ = 48481248822. Its totient is φ = 48481248820.

The previous prime is 48481248811. The next prime is 48481248847. The reversal of 48481248821 is 12884218484.

48481248821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26532826321 + 21948422500 = 162889^2 + 148150^2 .

It is a cyclic number.

It is not a de Polignac number, because 48481248821 - 2²⁶ = 48414139957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48481248821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48481248811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24240624410 + 24240624411.

It is an arithmetic number, because the mean of its divisors is an integer number (24240624411).

Almost surely, 2^48481248821 is an apocalyptic number.

It is an amenable number.

48481248821 is a deficient number, since it is larger than the sum of its proper divisors (1).

48481248821 is an equidigital number, since it uses as much as digits as its factorization.

48481248821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1048576, while the sum is 50.

The spelling of 48481248821 in words is "forty-eight billion, four hundred eighty-one million, two hundred forty-eight thousand, eight hundred twenty-one".