64934023123219 has 2 divisors, whose sum is σ = 64934023123220. Its totient is φ = 64934023123218.

The previous prime is 64934023123213. The next prime is 64934023123237. The reversal of 64934023123219 is 91232132043946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64934023123219 - 2¹⁷ = 64934022992147 is a prime.

It is a super-2 number, since 2×64934023123219² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64934023123213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32467011561609 + 32467011561610.

It is an arithmetic number, because the mean of its divisors is an integer number (32467011561610).

Almost surely, 2^{64934023123219} is an apocalyptic number.

64934023123219 is a deficient number, since it is larger than the sum of its proper divisors (1).

64934023123219 is an equidigital number, since it uses as much as digits as its factorization.

64934023123219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 64934023123219 in words is "sixty-four trillion, nine hundred thirty-four billion, twenty-three million, one hundred twenty-three thousand, two hundred nineteen".