2125344439 has 2 divisors, whose sum is σ = 2125344440. Its totient is φ = 2125344438.

The previous prime is 2125344421. The next prime is 2125344497. The reversal of 2125344439 is 9344435212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125344439 - 2⁷ = 2125344311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125344398 and 2125344407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125344499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062672219 + 1062672220.

It is an arithmetic number, because the mean of its divisors is an integer number (1062672220).

Almost surely, 2^2125344439 is an apocalyptic number.

2125344439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125344439 is an equidigital number, since it uses as much as digits as its factorization.

2125344439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 2125344439 is about 46101.4581005851. The cubic root of 2125344439 is about 1285.7102542948.

The spelling of 2125344439 in words is "two billion, one hundred twenty-five million, three hundred forty-four thousand, four hundred thirty-nine".