2063366381 has 4 divisors (see below), whose sum is σ = 2184740892. Its totient is φ = 1941991872.

The previous prime is 2063366353. The next prime is 2063366401. The reversal of 2063366381 is 1836633602.

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

It can be written as a sum of positive squares in 2 ways, for example, as 733597225 + 1329769156 = 27085^2 + 36466^2 .

It is not a de Polignac number, because 2063366381 - 2¹⁸ = 2063104237 is a prime.

It is a super-2 number, since 2×2063366381² = 8514961644482074322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063360381) 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, 60687230 + ... + 60687263.

It is an arithmetic number, because the mean of its divisors is an integer number (546185223).

Almost surely, 2^2063366381 is an apocalyptic number.

It is an amenable number.

2063366381 is a deficient number, since it is larger than the sum of its proper divisors (121374511).

2063366381 is a wasteful number, since it uses less digits than its factorization.

2063366381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121374510.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 2063366381 is about 45424.2928508524. The cubic root of 2063366381 is about 1273.0890519317.

Adding to 2063366381 its reverse (1836633602), we get a palindrome (3899999983).

The spelling of 2063366381 in words is "two billion, sixty-three million, three hundred sixty-six thousand, three hundred eighty-one".