4041017891 has 2 divisors, whose sum is σ = 4041017892. Its totient is φ = 4041017890.

The previous prime is 4041017873. The next prime is 4041017899. The reversal of 4041017891 is 1987101404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4041017891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4041017899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020508945 + 2020508946.

It is an arithmetic number, because the mean of its divisors is an integer number (2020508946).

Almost surely, 2^4041017891 is an apocalyptic number.

4041017891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041017891 is an equidigital number, since it uses as much as digits as its factorization.

4041017891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 4041017891 is about 63569.0010225110. The cubic root of 4041017891 is about 1592.8085969767.

The spelling of 4041017891 in words is "four billion, forty-one million, seventeen thousand, eight hundred ninety-one".