2119681607 has 2 divisors, whose sum is σ = 2119681608. Its totient is φ = 2119681606.

The previous prime is 2119681579. The next prime is 2119681651. The reversal of 2119681607 is 7061869112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2119681607 - 2⁸ = 2119681351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119681657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059840803 + 1059840804.

It is an arithmetic number, because the mean of its divisors is an integer number (1059840804).

Almost surely, 2^2119681607 is an apocalyptic number.

2119681607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119681607 is an equidigital number, since it uses as much as digits as its factorization.

2119681607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2119681607 is about 46040.0000760209. Note that the first 4 decimals coincide. The cubic root of 2119681607 is about 1284.5673435293.

The spelling of 2119681607 in words is "two billion, one hundred nineteen million, six hundred eighty-one thousand, six hundred seven".