2059663788 has 120 divisors (see below), whose sum is σ = 6627009312. Its totient is φ = 543200256.

The previous prime is 2059663733. The next prime is 2059663799. The reversal of 2059663788 is 8873669502.

It is a happy number.

2059663788 is a `hidden beast` number, since 205 + 9 + 66 + 378 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 in 39 ways as a sum of consecutive naturals, for example, 5445 + ... + 64412.

Almost surely, 2^2059663788 is an apocalyptic number.

2059663788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2059663788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313504656).

2059663788 is an abundant number, since it is smaller than the sum of its proper divisors (4567345524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2059663788 is a wasteful number, since it uses less digits than its factorization.

2059663788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69893 (or 69882 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 2059663788 is about 45383.5189027911. The cubic root of 2059663788 is about 1272.3271008185.

The spelling of 2059663788 in words is "two billion, fifty-nine million, six hundred sixty-three thousand, seven hundred eighty-eight".