340946404369 has 2 divisors, whose sum is σ = 340946404370. Its totient is φ = 340946404368.

The previous prime is 340946404363. The next prime is 340946404373. The reversal of 340946404369 is 963404649043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200274150400 + 140672253969 = 447520^2 + 375063^2 .

It is a cyclic number.

It is not a de Polignac number, because 340946404369 - 2³ = 340946404361 is a prime.

It is a super-2 number, since 2×340946404369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340946404361) 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, 170473202184 + 170473202185.

It is an arithmetic number, because the mean of its divisors is an integer number (170473202185).

Almost surely, 2^340946404369 is an apocalyptic number.

It is an amenable number.

340946404369 is a deficient number, since it is larger than the sum of its proper divisors (1).

340946404369 is an equidigital number, since it uses as much as digits as its factorization.

340946404369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 340946404369 in words is "three hundred forty billion, nine hundred forty-six million, four hundred four thousand, three hundred sixty-nine".