65213667948019 has 2 divisors, whose sum is σ = 65213667948020. Its totient is φ = 65213667948018.

The previous prime is 65213667947999. The next prime is 65213667948071. The reversal of 65213667948019 is 91084976631256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65213667948019 - 2⁷ = 65213667947891 is a prime.

It is a super-2 number, since 2×65213667948019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65213667948119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32606833974009 + 32606833974010.

It is an arithmetic number, because the mean of its divisors is an integer number (32606833974010).

It is a 2-persistent number, because it is pandigital, and so is 2⋅65213667948019 = 130427335896038, but 3⋅65213667948019 = 195641003844057 is not.

Almost surely, 2^{65213667948019} is an apocalyptic number.

65213667948019 is a deficient number, since it is larger than the sum of its proper divisors (1).

65213667948019 is an equidigital number, since it uses as much as digits as its factorization.

65213667948019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 65213667948019 in words is "sixty-five trillion, two hundred thirteen billion, six hundred sixty-seven million, nine hundred forty-eight thousand, nineteen".