2130821416 has 16 divisors (see below), whose sum is σ = 4103271540. Its totient is φ = 1036615680.

The previous prime is 2130821411. The next prime is 2130821423. The reversal of 2130821416 is 6141280312.

It can be written as a sum of positive squares in 2 ways, for example, as 1923173316 + 207648100 = 43854^2 + 14410^2 .

It is not an unprimeable number, because it can be changed into a prime (2130821411) 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 3 ways as a sum of consecutive naturals, for example, 3599065 + ... + 3599656.

Almost surely, 2^2130821416 is an apocalyptic number.

It is an amenable number.

2130821416 is a deficient number, since it is larger than the sum of its proper divisors (1972450124).

2130821416 is a wasteful number, since it uses less digits than its factorization.

2130821416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198764 (or 7198760 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2130821416 is about 46160.8212231975. The cubic root of 2130821416 is about 1286.8137248878.

It can be divided in two parts, 21308 and 21416, that added together give a palindrome (42724).

The spelling of 2130821416 in words is "two billion, one hundred thirty million, eight hundred twenty-one thousand, four hundred sixteen".