49559728133 has 2 divisors, whose sum is σ = 49559728134. Its totient is φ = 49559728132.

The previous prime is 49559728123. The next prime is 49559728189. The reversal of 49559728133 is 33182795594.

49559728133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (49559728189) can be obtained adding 49559728133 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46503628609 + 3056099524 = 215647^2 + 55282^2 .

It is a cyclic number.

It is not a de Polignac number, because 49559728133 - 2¹⁰ = 49559727109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49559728123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24779864066 + 24779864067.

It is an arithmetic number, because the mean of its divisors is an integer number (24779864067).

Almost surely, 2^49559728133 is an apocalyptic number.

It is an amenable number.

49559728133 is a deficient number, since it is larger than the sum of its proper divisors (1).

49559728133 is an equidigital number, since it uses as much as digits as its factorization.

49559728133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The spelling of 49559728133 in words is "forty-nine billion, five hundred fifty-nine million, seven hundred twenty-eight thousand, one hundred thirty-three".