65265563273 has 2 divisors, whose sum is σ = 65265563274. Its totient is φ = 65265563272.

The previous prime is 65265563269. The next prime is 65265563381. The reversal of 65265563273 is 37236556256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58725282889 + 6540280384 = 242333^2 + 80872^2 .

It is a cyclic number.

It is not a de Polignac number, because 65265563273 - 2² = 65265563269 is a prime.

It is not a weakly prime, because it can be changed into another prime (65265563263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32632781636 + 32632781637.

It is an arithmetic number, because the mean of its divisors is an integer number (32632781637).

Almost surely, 2^65265563273 is an apocalyptic number.

It is an amenable number.

65265563273 is a deficient number, since it is larger than the sum of its proper divisors (1).

65265563273 is an equidigital number, since it uses as much as digits as its factorization.

65265563273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 50.

The spelling of 65265563273 in words is "sixty-five billion, two hundred sixty-five million, five hundred sixty-three thousand, two hundred seventy-three".