2064840619 has 2 divisors, whose sum is σ = 2064840620. Its totient is φ = 2064840618.

The previous prime is 2064840581. The next prime is 2064840623. The reversal of 2064840619 is 9160484602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2064840619 - 2¹⁵ = 2064807851 is a prime.

It is a super-3 number, since 3×2064840619³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2064840419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032420309 + 1032420310.

It is an arithmetic number, because the mean of its divisors is an integer number (1032420310).

Almost surely, 2^2064840619 is an apocalyptic number.

2064840619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064840619 is an equidigital number, since it uses as much as digits as its factorization.

2064840619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2064840619 is about 45440.5173716145. The cubic root of 2064840619 is about 1273.3921794590.

The spelling of 2064840619 in words is "two billion, sixty-four million, eight hundred forty thousand, six hundred nineteen".