2129058860 has 24 divisors (see below), whose sum is σ = 4475640960. Its totient is φ = 850744064.

The previous prime is 2129058853. The next prime is 2129058901. The reversal of 2129058860 is 688509212.

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 7 ways as a sum of consecutive naturals, for example, 34940 + ... + 74019.

It is an arithmetic number, because the mean of its divisors is an integer number (186485040).

Almost surely, 2^2129058860 is an apocalyptic number.

2129058860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2129058860 is an abundant number, since it is smaller than the sum of its proper divisors (2346582100).

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

2129058860 is a wasteful number, since it uses less digits than its factorization.

2129058860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109945 (or 109943 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2129058860 is about 46141.7258021414. The cubic root of 2129058860 is about 1286.4588215491.

The spelling of 2129058860 in words is "two billion, one hundred twenty-nine million, fifty-eight thousand, eight hundred sixty".