574138849 has 2 divisors, whose sum is σ = 574138850. Its totient is φ = 574138848.

The previous prime is 574138847. The next prime is 574138871. The reversal of 574138849 is 948831475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486996624 + 87142225 = 22068^2 + 9335^2 .

It is a cyclic number.

It is not a de Polignac number, because 574138849 - 2¹ = 574138847 is a prime.

Together with 574138847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (574138847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287069424 + 287069425.

It is an arithmetic number, because the mean of its divisors is an integer number (287069425).

Almost surely, 2^574138849 is an apocalyptic number.

It is an amenable number.

574138849 is a deficient number, since it is larger than the sum of its proper divisors (1).

574138849 is an equidigital number, since it uses as much as digits as its factorization.

574138849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 574138849 is about 23961.1946488484. The cubic root of 574138849 is about 831.1364164325.

The spelling of 574138849 in words is "five hundred seventy-four million, one hundred thirty-eight thousand, eight hundred forty-nine".