6494606653 has 2 divisors, whose sum is σ = 6494606654. Its totient is φ = 6494606652.

The previous prime is 6494606641. The next prime is 6494606749. The reversal of 6494606653 is 3566064946.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6417131449 + 77475204 = 80107^2 + 8802^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494606653 - 2⁹ = 6494606141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6494606597 and 6494606606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6494606603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247303326 + 3247303327.

It is an arithmetic number, because the mean of its divisors is an integer number (3247303327).

Almost surely, 2^6494606653 is an apocalyptic number.

It is an amenable number.

6494606653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494606653 is an equidigital number, since it uses as much as digits as its factorization.

6494606653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The square root of 6494606653 is about 80589.1224235628. The cubic root of 6494606653 is about 1865.7392630698.

The spelling of 6494606653 in words is "six billion, four hundred ninety-four million, six hundred six thousand, six hundred fifty-three".