5491641317 has 2 divisors, whose sum is σ = 5491641318. Its totient is φ = 5491641316.

The previous prime is 5491641277. The next prime is 5491641341. The reversal of 5491641317 is 7131461945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5476888036 + 14753281 = 74006^2 + 3841^2 .

It is a cyclic number.

It is not a de Polignac number, because 5491641317 - 2²² = 5487447013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5491641817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2745820658 + 2745820659.

It is an arithmetic number, because the mean of its divisors is an integer number (2745820659).

Almost surely, 2^5491641317 is an apocalyptic number.

It is an amenable number.

5491641317 is a deficient number, since it is larger than the sum of its proper divisors (1).

5491641317 is an equidigital number, since it uses as much as digits as its factorization.

5491641317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 5491641317 is about 74105.6092141479. The cubic root of 5491641317 is about 1764.2795002645.

The spelling of 5491641317 in words is "five billion, four hundred ninety-one million, six hundred forty-one thousand, three hundred seventeen".