2064643063 has 4 divisors (see below), whose sum is σ = 2359592080. Its totient is φ = 1769694048.

The previous prime is 2064642977. The next prime is 2064643073. The reversal of 2064643063 is 3603464602.

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 2064643063 - 2⁹ = 2064642551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064643073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147474498 + ... + 147474511.

It is an arithmetic number, because the mean of its divisors is an integer number (589898020).

Almost surely, 2^2064643063 is an apocalyptic number.

2064643063 is a deficient number, since it is larger than the sum of its proper divisors (294949017).

2064643063 is an equidigital number, since it uses as much as digits as its factorization.

2064643063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294949016.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 2064643063 is about 45438.3435327478. The cubic root of 2064643063 is about 1273.3515670768.

The spelling of 2064643063 in words is "two billion, sixty-four million, six hundred forty-three thousand, sixty-three".