5556774749 has 2 divisors, whose sum is σ = 5556774750. Its totient is φ = 5556774748.

The previous prime is 5556774733. The next prime is 5556774763. The reversal of 5556774749 is 9474776555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2868352249 + 2688422500 = 53557^2 + 51850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5556774749 - 2⁴ = 5556774733 is a prime.

It is a super-2 number, since 2×5556774749² = 61755491222248026002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556776749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778387374 + 2778387375.

It is an arithmetic number, because the mean of its divisors is an integer number (2778387375).

Almost surely, 2^5556774749 is an apocalyptic number.

It is an amenable number.

5556774749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556774749 is an equidigital number, since it uses as much as digits as its factorization.

5556774749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044000, while the sum is 59.

The square root of 5556774749 is about 74543.7773995925. Note that the first 3 decimals coincide. The cubic root of 5556774749 is about 1771.2271644642.

The spelling of 5556774749 in words is "five billion, five hundred fifty-six million, seven hundred seventy-four thousand, seven hundred forty-nine".