2063619855 has 32 divisors (see below), whose sum is σ = 4002174720. Its totient is φ = 1000542240.

The previous prime is 2063619853. The next prime is 2063619863. The reversal of 2063619855 is 5589163602.

2063619855 is a `hidden beast` number, since 2 + 0 + 636 + 1 + 9 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 2063619855 - 2¹ = 2063619853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2063619855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063619853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693337 + ... + 696306.

It is an arithmetic number, because the mean of its divisors is an integer number (125067960).

Almost surely, 2^2063619855 is an apocalyptic number.

2063619855 is a deficient number, since it is larger than the sum of its proper divisors (1938554865).

2063619855 is a wasteful number, since it uses less digits than its factorization.

2063619855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389668 (or 1389662 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2063619855 is about 45427.0828361232. The cubic root of 2063619855 is about 1273.1411806221.

The spelling of 2063619855 in words is "two billion, sixty-three million, six hundred nineteen thousand, eight hundred fifty-five".