6574756849 has 2 divisors, whose sum is σ = 6574756850. Its totient is φ = 6574756848.

The previous prime is 6574756841. The next prime is 6574756891. The reversal of 6574756849 is 9486574756.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6390883249 + 183873600 = 79943^2 + 13560^2 .

It is a cyclic number.

It is not a de Polignac number, because 6574756849 - 2³ = 6574756841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6574756841) 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, 3287378424 + 3287378425.

It is an arithmetic number, because the mean of its divisors is an integer number (3287378425).

Almost surely, 2^6574756849 is an apocalyptic number.

It is an amenable number.

6574756849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6574756849 is an equidigital number, since it uses as much as digits as its factorization.

6574756849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50803200, while the sum is 61.

The square root of 6574756849 is about 81084.8743539755. The cubic root of 6574756849 is about 1873.3829589196.

The spelling of 6574756849 in words is "six billion, five hundred seventy-four million, seven hundred fifty-six thousand, eight hundred forty-nine".