2129210875 has 16 divisors (see below), whose sum is σ = 2898825696. Its totient is φ = 1548516000.

The previous prime is 2129210861. The next prime is 2129210887. The reversal of 2129210875 is 5780129212.

It is not a de Polignac number, because 2129210875 - 2¹³ = 2129202683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772884 + ... + 775633.

It is an arithmetic number, because the mean of its divisors is an integer number (181176606).

Almost surely, 2^2129210875 is an apocalyptic number.

2129210875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2129210875 is a deficient number, since it is larger than the sum of its proper divisors (769614821).

2129210875 is a wasteful number, since it uses less digits than its factorization.

2129210875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548543 (or 1548533 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2129210875 is about 46143.3730344889. The cubic root of 2129210875 is about 1286.4894385802.

The spelling of 2129210875 in words is "two billion, one hundred twenty-nine million, two hundred ten thousand, eight hundred seventy-five".