340455912229 has 2 divisors, whose sum is σ = 340455912230. Its totient is φ = 340455912228.

The previous prime is 340455912163. The next prime is 340455912289. The reversal of 340455912229 is 922219554043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301302188100 + 39153724129 = 548910^2 + 197873^2 .

It is an emirp because it is prime and its reverse (922219554043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340455912229 - 2⁷ = 340455912101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340455912289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170227956114 + 170227956115.

It is an arithmetic number, because the mean of its divisors is an integer number (170227956115).

Almost surely, 2^340455912229 is an apocalyptic number.

It is an amenable number.

340455912229 is a deficient number, since it is larger than the sum of its proper divisors (1).

340455912229 is an equidigital number, since it uses as much as digits as its factorization.

340455912229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 340455912229 in words is "three hundred forty billion, four hundred fifty-five million, nine hundred twelve thousand, two hundred twenty-nine".