2019889102 has 64 divisors (see below), whose sum is σ = 4039787520. Its totient is φ = 733248000.

The previous prime is 2019889097. The next prime is 2019889111.

2019889102 is nontrivially palindromic in base 10.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 260599 + ... + 268237.

It is an arithmetic number, because the mean of its divisors is an integer number (63121680).

Almost surely, 2^2019889102 is an apocalyptic number.

2019889102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2019889102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2019889102 is a wasteful number, since it uses less digits than its factorization.

2019889102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 2019889102 is about 44943.1763674977. The cubic root of 2019889102 is about 1264.0837312843.

The spelling of 2019889102 in words is "two billion, nineteen million, eight hundred eighty-nine thousand, one hundred two".