52400721541633 has 2 divisors, whose sum is σ = 52400721541634. Its totient is φ = 52400721541632.

The previous prime is 52400721541603. The next prime is 52400721541687. The reversal of 52400721541633 is 33614512700425.

52400721541633 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., 37504147627969 + 14896573913664 = 6124063^2 + 3859608^2 .

It is a cyclic number.

It is not a de Polignac number, because 52400721541633 - 2¹³ = 52400721533441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52400721541633.

It is not a weakly prime, because it can be changed into another prime (52400721541603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26200360770816 + 26200360770817.

It is an arithmetic number, because the mean of its divisors is an integer number (26200360770817).

Almost surely, 2^{52400721541633} is an apocalyptic number.

It is an amenable number.

52400721541633 is a deficient number, since it is larger than the sum of its proper divisors (1).

52400721541633 is an equidigital number, since it uses as much as digits as its factorization.

52400721541633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 52400721541633 in words is "fifty-two trillion, four hundred billion, seven hundred twenty-one million, five hundred forty-one thousand, six hundred thirty-three".