2125998193 has 12 divisors (see below), whose sum is σ = 2348729460. Its totient is φ = 1922893280.

The previous prime is 2125998143. The next prime is 2125998233. The reversal of 2125998193 is 3918995212.

It can be written as a sum of positive squares in 2 ways, for example, as 1249127649 + 876870544 = 35343^2 + 29612^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2125998193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125998113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20758 + ... + 68431.

It is an arithmetic number, because the mean of its divisors is an integer number (195727455).

Almost surely, 2^2125998193 is an apocalyptic number.

It is an amenable number.

2125998193 is a deficient number, since it is larger than the sum of its proper divisors (222731267).

2125998193 is a wasteful number, since it uses less digits than its factorization.

2125998193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89408 (or 89397 counting only the distinct ones).

The product of its digits is 349920, while the sum is 49.

The square root of 2125998193 is about 46108.5479385330. The cubic root of 2125998193 is about 1285.8420685454.

The spelling of 2125998193 in words is "two billion, one hundred twenty-five million, nine hundred ninety-eight thousand, one hundred ninety-three".