6503645041 has 2 divisors, whose sum is σ = 6503645042. Its totient is φ = 6503645040.

The previous prime is 6503645017. The next prime is 6503645063. The reversal of 6503645041 is 1405463056.

6503645041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6500390625 + 3254416 = 80625^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503645041 - 2⁷ = 6503644913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6503644988 and 6503645006.

It is not a weakly prime, because it can be changed into another prime (6503645081) 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, 3251822520 + 3251822521.

It is an arithmetic number, because the mean of its divisors is an integer number (3251822521).

Almost surely, 2^6503645041 is an apocalyptic number.

It is an amenable number.

6503645041 is a deficient number, since it is larger than the sum of its proper divisors (1).

6503645041 is an equidigital number, since it uses as much as digits as its factorization.

6503645041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6503645041 is about 80645.1798993591. The cubic root of 6503645041 is about 1866.6043633790.

The spelling of 6503645041 in words is "six billion, five hundred three million, six hundred forty-five thousand, forty-one".