2064626819 has 8 divisors (see below), whose sum is σ = 2106868320. Its totient is φ = 2022507136.

The previous prime is 2064626813. The next prime is 2064626833. The reversal of 2064626819 is 9186264602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2064626819 - 2⁴ = 2064626803 is a prime.

It is a super-2 number, since 2×2064626819² = 8525367803468117522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064626819.

It is not an unprimeable number, because it can be changed into a prime (2064626813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4187 + ... + 64395.

It is an arithmetic number, because the mean of its divisors is an integer number (263358540).

Almost surely, 2^2064626819 is an apocalyptic number.

2064626819 is a deficient number, since it is larger than the sum of its proper divisors (42241501).

2064626819 is an equidigital number, since it uses as much as digits as its factorization.

2064626819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60909.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2064626819 is about 45438.1647846829. The cubic root of 2064626819 is about 1273.3482276171.

The spelling of 2064626819 in words is "two billion, sixty-four million, six hundred twenty-six thousand, eight hundred nineteen".