65340216299 has 2 divisors, whose sum is σ = 65340216300. Its totient is φ = 65340216298.

The previous prime is 65340216233. The next prime is 65340216313. The reversal of 65340216299 is 99261204356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65340216299 - 2²⁰ = 65339167723 is a prime.

It is a super-4 number, since 4×65340216299⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (65340216229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32670108149 + 32670108150.

It is an arithmetic number, because the mean of its divisors is an integer number (32670108150).

Almost surely, 2^65340216299 is an apocalyptic number.

65340216299 is a deficient number, since it is larger than the sum of its proper divisors (1).

65340216299 is an equidigital number, since it uses as much as digits as its factorization.

65340216299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 65340216299 in words is "sixty-five billion, three hundred forty million, two hundred sixteen thousand, two hundred ninety-nine".