2125231439 has 2 divisors, whose sum is σ = 2125231440. Its totient is φ = 2125231438.

The previous prime is 2125231417. The next prime is 2125231463. The reversal of 2125231439 is 9341325212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125231439 - 2¹² = 2125227343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125231639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062615719 + 1062615720.

It is an arithmetic number, because the mean of its divisors is an integer number (1062615720).

Almost surely, 2^2125231439 is an apocalyptic number.

2125231439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125231439 is an equidigital number, since it uses as much as digits as its factorization.

2125231439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 2125231439 is about 46100.2325265285. The cubic root of 2125231439 is about 1285.6874677399.

The spelling of 2125231439 in words is "two billion, one hundred twenty-five million, two hundred thirty-one thousand, four hundred thirty-nine".