2057411491 has 2 divisors, whose sum is σ = 2057411492. Its totient is φ = 2057411490.

The previous prime is 2057411471. The next prime is 2057411537. The reversal of 2057411491 is 1941147502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2057411491 - 2¹⁵ = 2057378723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2057411401) 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, 1028705745 + 1028705746.

It is an arithmetic number, because the mean of its divisors is an integer number (1028705746).

Almost surely, 2^2057411491 is an apocalyptic number.

2057411491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057411491 is an equidigital number, since it uses as much as digits as its factorization.

2057411491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 2057411491 is about 45358.6980743495. The cubic root of 2057411491 is about 1271.8631571850.

Adding to 2057411491 its reverse (1941147502), we get a palindrome (3998558993).

The spelling of 2057411491 in words is "two billion, fifty-seven million, four hundred eleven thousand, four hundred ninety-one".