2109770882 has 6 divisors (see below), whose sum is σ = 3164753763. Its totient is φ = 1054852962.

The previous prime is 2109770881. The next prime is 2109770951. The reversal of 2109770882 is 2880779012.

It can be written as a sum of positive squares in only one way, i.e., 1054885441 + 1054885441 = 32479^2 + 32479^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32479.

It is a super-2 number, since 2×2109770882² = 8902266349070115848, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109770881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48719 + ... + 81197.

Almost surely, 2^2109770882 is an apocalyptic number.

2109770882 is a deficient number, since it is larger than the sum of its proper divisors (1054982881).

2109770882 is an frugal number, since it uses more digits than its factorization.

2109770882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64960 (or 32481 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 2109770882 is about 45932.2422923158. The cubic root of 2109770882 is about 1282.5621859456.

The spelling of 2109770882 in words is "two billion, one hundred nine million, seven hundred seventy thousand, eight hundred eighty-two".