2163045305 has 8 divisors (see below), whose sum is σ = 2679385344. Its totient is φ = 1674615600.

The previous prime is 2163045263. The next prime is 2163045347. The reversal of 2163045305 is 5035403612.

It is an interprime number because it is at equal distance from previous prime (2163045263) and next prime (2163045347).

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

It is not a de Polignac number, because 2163045305 - 2¹⁶ = 2162979769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 6977411 + ... + 6977720.

It is an arithmetic number, because the mean of its divisors is an integer number (334923168).

Almost surely, 2^2163045305 is an apocalyptic number.

It is an amenable number.

2163045305 is a deficient number, since it is larger than the sum of its proper divisors (516340039).

2163045305 is a wasteful number, since it uses less digits than its factorization.

2163045305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955167.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2163045305 is about 46508.5508804564. The cubic root of 2163045305 is about 1293.2680204837.

Adding to 2163045305 its reverse (5035403612), we get a palindrome (7198448917).

The spelling of 2163045305 in words is "two billion, one hundred sixty-three million, forty-five thousand, three hundred five".