2133444125 has 8 divisors (see below), whose sum is σ = 2662538424. Its totient is φ = 1706755200.

The previous prime is 2133444077. The next prime is 2133444151. The reversal of 2133444125 is 5214443312.

It can be written as a sum of positive squares in 4 ways, for example, as 487438084 + 1646006041 = 22078^2 + 40571^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2133444125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8533652 + ... + 8533901.

It is an arithmetic number, because the mean of its divisors is an integer number (332817303).

Almost surely, 2^2133444125 is an apocalyptic number.

2133444125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133444125 is a deficient number, since it is larger than the sum of its proper divisors (529094299).

2133444125 is an equidigital number, since it uses as much as digits as its factorization.

2133444125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17067568 (or 17067558 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2133444125 is about 46189.2208745720. The cubic root of 2133444125 is about 1287.3414641255.

Adding to 2133444125 its reverse (5214443312), we get a palindrome (7347887437).

The spelling of 2133444125 in words is "two billion, one hundred thirty-three million, four hundred forty-four thousand, one hundred twenty-five".