49911769 has 2 divisors, whose sum is σ = 49911770. Its totient is φ = 49911768.

The previous prime is 49911751. The next prime is 49911773. The reversal of 49911769 is 96711994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 11471769 = 6200^2 + 3387^2 .

It is a cyclic number.

It is not a de Polignac number, because 49911769 - 2⁵ = 49911737 is a prime.

It is a super-2 number, since 2×49911769² = 4982369369418722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49911709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24955884 + 24955885.

It is an arithmetic number, because the mean of its divisors is an integer number (24955885).

Almost surely, 2^49911769 is an apocalyptic number.

It is an amenable number.

49911769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49911769 is an equidigital number, since it uses as much as digits as its factorization.

49911769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 46.

The square root of 49911769 is about 7064.8261832829. The cubic root of 49911769 is about 368.1863250874.

The spelling of 49911769 in words is "forty-nine million, nine hundred eleven thousand, seven hundred sixty-nine".