340252001689 has 2 divisors, whose sum is σ = 340252001690. Its totient is φ = 340252001688.

The previous prime is 340252001597. The next prime is 340252001723. The reversal of 340252001689 is 986100252043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191616307600 + 148635694089 = 437740^2 + 385533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340252001689 is a prime.

It is not a weakly prime, because it can be changed into another prime (340252001389) 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, 170126000844 + 170126000845.

It is an arithmetic number, because the mean of its divisors is an integer number (170126000845).

Almost surely, 2^340252001689 is an apocalyptic number.

It is an amenable number.

340252001689 is a deficient number, since it is larger than the sum of its proper divisors (1).

340252001689 is an equidigital number, since it uses as much as digits as its factorization.

340252001689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 340252001689 in words is "three hundred forty billion, two hundred fifty-two million, one thousand, six hundred eighty-nine".