65689704863 has 2 divisors, whose sum is σ = 65689704864. Its totient is φ = 65689704862.

The previous prime is 65689704823. The next prime is 65689704869. The reversal of 65689704863 is 36840798656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65689704863 - 2¹⁸ = 65689442719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65689704796 and 65689704805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65689704869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32844852431 + 32844852432.

It is an arithmetic number, because the mean of its divisors is an integer number (32844852432).

Almost surely, 2^65689704863 is an apocalyptic number.

65689704863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65689704863 is an equidigital number, since it uses as much as digits as its factorization.

65689704863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 65689704863 in words is "sixty-five billion, six hundred eighty-nine million, seven hundred four thousand, eight hundred sixty-three".