48647526721 has 2 divisors, whose sum is σ = 48647526722. Its totient is φ = 48647526720.

The previous prime is 48647526713. The next prime is 48647526769. The reversal of 48647526721 is 12762574684.

48647526721 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., 39309010225 + 9338516496 = 198265^2 + 96636^2 .

It is a cyclic number.

It is not a de Polignac number, because 48647526721 - 2³ = 48647526713 is a prime.

It is not a weakly prime, because it can be changed into another prime (48647596721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24323763360 + 24323763361.

It is an arithmetic number, because the mean of its divisors is an integer number (24323763361).

Almost surely, 2^48647526721 is an apocalyptic number.

It is an amenable number.

48647526721 is a deficient number, since it is larger than the sum of its proper divisors (1).

48647526721 is an equidigital number, since it uses as much as digits as its factorization.

48647526721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The spelling of 48647526721 in words is "forty-eight billion, six hundred forty-seven million, five hundred twenty-six thousand, seven hundred twenty-one".