65503882897 has 2 divisors, whose sum is σ = 65503882898. Its totient is φ = 65503882896.

The previous prime is 65503882823. The next prime is 65503882903. The reversal of 65503882897 is 79828830556.

65503882897 is digitally balanced in base 2, 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., 38052695041 + 27451187856 = 195071^2 + 165684^2 .

It is a cyclic number.

It is not a de Polignac number, because 65503882897 - 2¹⁵ = 65503850129 is a prime.

It is a super-2 number, since 2×65503882897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65503886897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32751941448 + 32751941449.

It is an arithmetic number, because the mean of its divisors is an integer number (32751941449).

Almost surely, 2^65503882897 is an apocalyptic number.

It is an amenable number.

65503882897 is a deficient number, since it is larger than the sum of its proper divisors (1).

65503882897 is an equidigital number, since it uses as much as digits as its factorization.

65503882897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 65503882897 in words is "sixty-five billion, five hundred three million, eight hundred eighty-two thousand, eight hundred ninety-seven".