2125774789 has 16 divisors (see below), whose sum is σ = 2201696640. Its totient is φ = 2051179200.

The previous prime is 2125774771. The next prime is 2125774841. The reversal of 2125774789 is 9874775212.

It is a cyclic number.

It is not a de Polignac number, because 2125774789 - 2⁵ = 2125774757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125774709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032139 + ... + 3032839.

It is an arithmetic number, because the mean of its divisors is an integer number (137606040).

Almost surely, 2^2125774789 is an apocalyptic number.

It is an amenable number.

2125774789 is a deficient number, since it is larger than the sum of its proper divisors (75921851).

2125774789 is a wasteful number, since it uses less digits than its factorization.

2125774789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500.

The product of its digits is 1975680, while the sum is 52.

The square root of 2125774789 is about 46106.1252872110. The cubic root of 2125774789 is about 1285.7970273776.

The spelling of 2125774789 in words is "two billion, one hundred twenty-five million, seven hundred seventy-four thousand, seven hundred eighty-nine".