340047300269 has 2 divisors, whose sum is σ = 340047300270. Its totient is φ = 340047300268.

The previous prime is 340047300259. The next prime is 340047300277. The reversal of 340047300269 is 962003740043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278401859044 + 61645441225 = 527638^2 + 248285^2 .

It is a cyclic number.

It is not a de Polignac number, because 340047300269 - 2⁸ = 340047300013 is a prime.

It is a super-2 number, since 2×340047300269² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340047300259) 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, 170023650134 + 170023650135.

It is an arithmetic number, because the mean of its divisors is an integer number (170023650135).

Almost surely, 2^340047300269 is an apocalyptic number.

It is an amenable number.

340047300269 is a deficient number, since it is larger than the sum of its proper divisors (1).

340047300269 is an equidigital number, since it uses as much as digits as its factorization.

340047300269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 340047300269 in words is "three hundred forty billion, forty-seven million, three hundred thousand, two hundred sixty-nine".