6495725893 has 2 divisors, whose sum is σ = 6495725894. Its totient is φ = 6495725892.

The previous prime is 6495725839. The next prime is 6495725897. The reversal of 6495725893 is 3985275946.

Together with previous prime (6495725839) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6036823809 + 458902084 = 77697^2 + 21422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6495725893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6495725897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247862946 + 3247862947.

It is an arithmetic number, because the mean of its divisors is an integer number (3247862947).

Almost surely, 2^6495725893 is an apocalyptic number.

It is an amenable number.

6495725893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6495725893 is an equidigital number, since it uses as much as digits as its factorization.

6495725893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 58.

The square root of 6495725893 is about 80596.0662377513. The cubic root of 6495725893 is about 1865.8464335360.

The spelling of 6495725893 in words is "six billion, four hundred ninety-five million, seven hundred twenty-five thousand, eight hundred ninety-three".