6540093719 has 2 divisors, whose sum is σ = 6540093720. Its totient is φ = 6540093718.

The previous prime is 6540093701. The next prime is 6540093731. The reversal of 6540093719 is 9173900456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6540093719 - 2²⁰ = 6539045143 is a prime.

It is a super-2 number, since 2×6540093719² = 85545651706606501922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6540093719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6540093739) 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, 3270046859 + 3270046860.

It is an arithmetic number, because the mean of its divisors is an integer number (3270046860).

Almost surely, 2^6540093719 is an apocalyptic number.

6540093719 is a deficient number, since it is larger than the sum of its proper divisors (1).

6540093719 is an equidigital number, since it uses as much as digits as its factorization.

6540093719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 6540093719 is about 80870.8459149526. The cubic root of 6540093719 is about 1870.0849017283.

The spelling of 6540093719 in words is "six billion, five hundred forty million, ninety-three thousand, seven hundred nineteen".