340327261669 has 2 divisors, whose sum is σ = 340327261670. Its totient is φ = 340327261668.

The previous prime is 340327261667. The next prime is 340327261697. The reversal of 340327261669 is 966162723043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207366390625 + 132960871044 = 455375^2 + 364638^2 .

It is a cyclic number.

It is not a de Polignac number, because 340327261669 - 2¹ = 340327261667 is a prime.

It is a super-2 number, since 2×340327261669² (a number of 24 digits) contains 22 as substring.

Together with 340327261667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340327261667) 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, 170163630834 + 170163630835.

It is an arithmetic number, because the mean of its divisors is an integer number (170163630835).

Almost surely, 2^340327261669 is an apocalyptic number.

It is an amenable number.

340327261669 is a deficient number, since it is larger than the sum of its proper divisors (1).

340327261669 is an equidigital number, since it uses as much as digits as its factorization.

340327261669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 340327261669 in words is "three hundred forty billion, three hundred twenty-seven million, two hundred sixty-one thousand, six hundred sixty-nine".