65220209134337 has 2 divisors, whose sum is σ = 65220209134338. Its totient is φ = 65220209134336.

The previous prime is 65220209134313. The next prime is 65220209134411. The reversal of 65220209134337 is 73343190202256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52785586706161 + 12434622428176 = 7265369^2 + 3526276^2 .

It is a cyclic number.

It is not a de Polignac number, because 65220209134337 - 2¹⁶ = 65220209068801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65220209134291 and 65220209134300.

It is not a weakly prime, because it can be changed into another prime (65220209134637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32610104567168 + 32610104567169.

It is an arithmetic number, because the mean of its divisors is an integer number (32610104567169).

Almost surely, 2^{65220209134337} is an apocalyptic number.

It is an amenable number.

65220209134337 is a deficient number, since it is larger than the sum of its proper divisors (1).

65220209134337 is an equidigital number, since it uses as much as digits as its factorization.

65220209134337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 65220209134337 in words is "sixty-five trillion, two hundred twenty billion, two hundred nine million, one hundred thirty-four thousand, three hundred thirty-seven".