2125386719 has 2 divisors, whose sum is σ = 2125386720. Its totient is φ = 2125386718.

The previous prime is 2125386709. The next prime is 2125386811. The reversal of 2125386719 is 9176835212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125386719 is a prime.

It is a super-2 number, since 2×2125386719² = 9034537410603169922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2125386719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125386709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062693359 + 1062693360.

It is an arithmetic number, because the mean of its divisors is an integer number (1062693360).

Almost surely, 2^2125386719 is an apocalyptic number.

2125386719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125386719 is an equidigital number, since it uses as much as digits as its factorization.

2125386719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 2125386719 is about 46101.9166521306. The cubic root of 2125386719 is about 1285.7187798885.

The spelling of 2125386719 in words is "two billion, one hundred twenty-five million, three hundred eighty-six thousand, seven hundred nineteen".