65208469799623 has 2 divisors, whose sum is σ = 65208469799624. Its totient is φ = 65208469799622.

The previous prime is 65208469799621. The next prime is 65208469799633. The reversal of 65208469799623 is 32699796480256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65208469799623 - 2¹ = 65208469799621 is a prime.

Together with 65208469799621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65208469799623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65208469799621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32604234899811 + 32604234899812.

It is an arithmetic number, because the mean of its divisors is an integer number (32604234899812).

Almost surely, 2^{65208469799623} is an apocalyptic number.

65208469799623 is a deficient number, since it is larger than the sum of its proper divisors (1).

65208469799623 is an equidigital number, since it uses as much as digits as its factorization.

65208469799623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116316160, while the sum is 76.

The spelling of 65208469799623 in words is "sixty-five trillion, two hundred eight billion, four hundred sixty-nine million, seven hundred ninety-nine thousand, six hundred twenty-three".