2125873836 has 36 divisors (see below), whose sum is σ = 5572766472. Its totient is φ = 708624288.

The previous prime is 2125873823. The next prime is 2125873837. The reversal of 2125873836 is 6383785212.

2125873836 is a `hidden beast` number, since 2 + 1 + 2 + 587 + 38 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2125873791 and 2125873800.

It is not an unprimeable number, because it can be changed into a prime (2125873837) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1092585 + ... + 1094528.

Almost surely, 2^2125873836 is an apocalyptic number.

It is an amenable number.

2125873836 is an abundant number, since it is smaller than the sum of its proper divisors (3446892636).

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

2125873836 is a wasteful number, since it uses less digits than its factorization.

2125873836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187132 (or 2187118 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2125873836 is about 46107.1993944547. The cubic root of 2125873836 is about 1285.8169969374.

The spelling of 2125873836 in words is "two billion, one hundred twenty-five million, eight hundred seventy-three thousand, eight hundred thirty-six".