65299897695 has 8 divisors (see below), whose sum is σ = 104479836336. Its totient is φ = 34826612096.

The previous prime is 65299897679. The next prime is 65299897697. The reversal of 65299897695 is 59679899256.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65299897695 - 2⁴ = 65299897679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65299897697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176663242 + ... + 2176663271.

It is an arithmetic number, because the mean of its divisors is an integer number (13059979542).

Almost surely, 2^65299897695 is an apocalyptic number.

65299897695 is a deficient number, since it is larger than the sum of its proper divisors (39179938641).

65299897695 is a wasteful number, since it uses less digits than its factorization.

65299897695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353326521.

The product of its digits is 661348800, while the sum is 75.

The spelling of 65299897695 in words is "sixty-five billion, two hundred ninety-nine million, eight hundred ninety-seven thousand, six hundred ninety-five".