6493440713 has 2 divisors, whose sum is σ = 6493440714. Its totient is φ = 6493440712.

The previous prime is 6493440659. The next prime is 6493440727. The reversal of 6493440713 is 3170443946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6003615289 + 489825424 = 77483^2 + 22132^2 .

It is a cyclic number.

It is not a de Polignac number, because 6493440713 - 2²⁸ = 6225005257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6493440743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246720356 + 3246720357.

It is an arithmetic number, because the mean of its divisors is an integer number (3246720357).

Almost surely, 2^6493440713 is an apocalyptic number.

It is an amenable number.

6493440713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6493440713 is an equidigital number, since it uses as much as digits as its factorization.

6493440713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 6493440713 is about 80581.8882441954. Note that the first 3 decimals coincide. The cubic root of 6493440713 is about 1865.6276078488.

The spelling of 6493440713 in words is "six billion, four hundred ninety-three million, four hundred forty thousand, seven hundred thirteen".