65265612542219 has 2 divisors, whose sum is σ = 65265612542220. Its totient is φ = 65265612542218.

The previous prime is 65265612542177. The next prime is 65265612542267. The reversal of 65265612542219 is 91224521656256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65265612542219 - 2²⁸ = 65265344106763 is a prime.

It is a super-2 number, since 2×65265612542219² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65265612542519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32632806271109 + 32632806271110.

It is an arithmetic number, because the mean of its divisors is an integer number (32632806271110).

Almost surely, 2^{65265612542219} is an apocalyptic number.

65265612542219 is a deficient number, since it is larger than the sum of its proper divisors (1).

65265612542219 is an equidigital number, since it uses as much as digits as its factorization.

65265612542219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 56.

The spelling of 65265612542219 in words is "sixty-five trillion, two hundred sixty-five billion, six hundred twelve million, five hundred forty-two thousand, two hundred nineteen".