2066264419 has 4 divisors (see below), whose sum is σ = 2066768496. Its totient is φ = 2065760344.

The previous prime is 2066264399. The next prime is 2066264443. The reversal of 2066264419 is 9144626602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066264419 - 2²⁹ = 1529393507 is a prime.

It is a super-2 number, since 2×2066264419² = 8538897298450815122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066264449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245839 + ... + 254104.

It is an arithmetic number, because the mean of its divisors is an integer number (516692124).

Almost surely, 2^2066264419 is an apocalyptic number.

2066264419 is a deficient number, since it is larger than the sum of its proper divisors (504077).

2066264419 is an equidigital number, since it uses as much as digits as its factorization.

2066264419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504076.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2066264419 is about 45456.1813068366. The cubic root of 2066264419 is about 1273.6847991734.

The spelling of 2066264419 in words is "two billion, sixty-six million, two hundred sixty-four thousand, four hundred nineteen".