4057143749 has 2 divisors, whose sum is σ = 4057143750. Its totient is φ = 4057143748.

The previous prime is 4057143691. The next prime is 4057143757. The reversal of 4057143749 is 9473417504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3104495524 + 952648225 = 55718^2 + 30865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4057143749 - 2¹⁶ = 4057078213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4057143149) 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, 2028571874 + 2028571875.

It is an arithmetic number, because the mean of its divisors is an integer number (2028571875).

Almost surely, 2^4057143749 is an apocalyptic number.

It is an amenable number.

4057143749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057143749 is an equidigital number, since it uses as much as digits as its factorization.

4057143749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 4057143749 is about 63695.7121712286. The cubic root of 4057143749 is about 1594.9245089614.

The spelling of 4057143749 in words is "four billion, fifty-seven million, one hundred forty-three thousand, seven hundred forty-nine".