2063489816 has 8 divisors (see below), whose sum is σ = 3869043420. Its totient is φ = 1031744904.

The previous prime is 2063489807. The next prime is 2063489819. The reversal of 2063489816 is 6189843602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063489819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128968106 + ... + 128968121.

Almost surely, 2^2063489816 is an apocalyptic number.

It is an amenable number.

2063489816 is a deficient number, since it is larger than the sum of its proper divisors (1805553604).

2063489816 is a wasteful number, since it uses less digits than its factorization.

2063489816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257936233 (or 257936229 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2063489816 is about 45425.6515198186. The cubic root of 2063489816 is about 1273.1144377309.

The spelling of 2063489816 in words is "two billion, sixty-three million, four hundred eighty-nine thousand, eight hundred sixteen".