4057143691 has 2 divisors, whose sum is σ = 4057143692. Its totient is φ = 4057143690.

The previous prime is 4057143679. The next prime is 4057143749. The reversal of 4057143691 is 1963417504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4057143691 - 2¹³ = 4057135499 is a prime.

It is a super-2 number, since 2×4057143691² = 32920829858842206962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4057143191) 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, 2028571845 + 2028571846.

It is an arithmetic number, because the mean of its divisors is an integer number (2028571846).

Almost surely, 2^4057143691 is an apocalyptic number.

4057143691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057143691 is an equidigital number, since it uses as much as digits as its factorization.

4057143691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 4057143691 is about 63695.7117159389. The cubic root of 4057143691 is about 1594.9245013611.

The spelling of 4057143691 in words is "four billion, fifty-seven million, one hundred forty-three thousand, six hundred ninety-one".