2193776125 has 16 divisors (see below), whose sum is σ = 2745040896. Its totient is φ = 1750400400.

The previous prime is 2193776111. The next prime is 2193776129. The reversal of 2193776125 is 5216773912.

It is not a de Polignac number, because 2193776125 - 2²³ = 2185387517 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 (2193776129) 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 15 ways as a sum of consecutive naturals, for example, 24964 + ... + 70786.

It is an arithmetic number, because the mean of its divisors is an integer number (171565056).

Almost surely, 2^2193776125 is an apocalyptic number.

2193776125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2193776125 is a deficient number, since it is larger than the sum of its proper divisors (551264771).

2193776125 is an equidigital number, since it uses as much as digits as its factorization.

2193776125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46221 (or 46211 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 2193776125 is about 46837.7638770256. The cubic root of 2193776125 is about 1299.3638159388.

The spelling of 2193776125 in words is "two billion, one hundred ninety-three million, seven hundred seventy-six thousand, one hundred twenty-five".