49935511169 has 2 divisors, whose sum is σ = 49935511170. Its totient is φ = 49935511168.

The previous prime is 49935511159. The next prime is 49935511261. The reversal of 49935511169 is 96111553994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25077889600 + 24857621569 = 158360^2 + 157663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49935511169 is a prime.

It is a super-2 number, since 2×49935511169² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49935511169.

It is not a weakly prime, because it can be changed into another prime (49935511139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24967755584 + 24967755585.

It is an arithmetic number, because the mean of its divisors is an integer number (24967755585).

Almost surely, 2^49935511169 is an apocalyptic number.

It is an amenable number.

49935511169 is a deficient number, since it is larger than the sum of its proper divisors (1).

49935511169 is an equidigital number, since it uses as much as digits as its factorization.

49935511169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1312200, while the sum is 53.

The spelling of 49935511169 in words is "forty-nine billion, nine hundred thirty-five million, five hundred eleven thousand, one hundred sixty-nine".