2064186863 has 8 divisors (see below), whose sum is σ = 2131938816. Its totient is φ = 1996507800.

The previous prime is 2064186829. The next prime is 2064186871. The reversal of 2064186863 is 3686814602.

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

It is a cyclic number.

It is not a de Polignac number, because 2064186863 - 2⁶ = 2064186799 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 (2064186823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42620 + ... + 77102.

It is an arithmetic number, because the mean of its divisors is an integer number (266492352).

Almost surely, 2^2064186863 is an apocalyptic number.

2064186863 is a deficient number, since it is larger than the sum of its proper divisors (67751953).

2064186863 is a wasteful number, since it uses less digits than its factorization.

2064186863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36445.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2064186863 is about 45433.3232660786. The cubic root of 2064186863 is about 1273.2577743069.

The spelling of 2064186863 in words is "two billion, sixty-four million, one hundred eighty-six thousand, eight hundred sixty-three".