340063429 has 2 divisors, whose sum is σ = 340063430. Its totient is φ = 340063428.

The previous prime is 340063421. The next prime is 340063481. The reversal of 340063429 is 924360043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291384900 + 48678529 = 17070^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 340063429 - 2³ = 340063421 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340063429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340063421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170031714 + 170031715.

It is an arithmetic number, because the mean of its divisors is an integer number (170031715).

Almost surely, 2^340063429 is an apocalyptic number.

It is an amenable number.

340063429 is a deficient number, since it is larger than the sum of its proper divisors (1).

340063429 is an equidigital number, since it uses as much as digits as its factorization.

340063429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 340063429 is about 18440.8087946272. The cubic root of 340063429 is about 697.9966044175.

The spelling of 340063429 in words is "three hundred forty million, sixty-three thousand, four hundred twenty-nine".