4057317091 has 2 divisors, whose sum is σ = 4057317092. Its totient is φ = 4057317090.

The previous prime is 4057317083. The next prime is 4057317113. The reversal of 4057317091 is 1907137504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4057317091 - 2³ = 4057317083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4057317091.

It is not a weakly prime, because it can be changed into another prime (4057317071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028658545 + 2028658546.

It is an arithmetic number, because the mean of its divisors is an integer number (2028658546).

Almost surely, 2^4057317091 is an apocalyptic number.

4057317091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057317091 is an equidigital number, since it uses as much as digits as its factorization.

4057317091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 4057317091 is about 63697.0728605326. The cubic root of 4057317091 is about 1594.9472230910.

The spelling of 4057317091 in words is "four billion, fifty-seven million, three hundred seventeen thousand, ninety-one".