2064719757019 has 2 divisors, whose sum is σ = 2064719757020. Its totient is φ = 2064719757018.

The previous prime is 2064719757011. The next prime is 2064719757047. The reversal of 2064719757019 is 9107579174602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2064719757019 - 2³ = 2064719757011 is a prime.

It is a super-2 number, since 2×2064719757019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2064719757011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032359878509 + 1032359878510.

It is an arithmetic number, because the mean of its divisors is an integer number (1032359878510).

Almost surely, 2^{2064719757019} is an apocalyptic number.

2064719757019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064719757019 is an equidigital number, since it uses as much as digits as its factorization.

2064719757019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 2064719757019 in words is "two trillion, sixty-four billion, seven hundred nineteen million, seven hundred fifty-seven thousand, nineteen".