344243324378969 has 2 divisors, whose sum is σ = 344243324378970. Its totient is φ = 344243324378968.

The previous prime is 344243324378951. The next prime is 344243324379029. The reversal of 344243324378969 is 969873423342443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210450495775744 + 133792828603225 = 14506912^2 + 11566885^2 .

It is a cyclic number.

It is not a de Polignac number, because 344243324378969 - 2⁸ = 344243324378713 is a prime.

It is a super-2 number, since 2×344243324378969² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344243924378969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172121662189484 + 172121662189485.

It is an arithmetic number, because the mean of its divisors is an integer number (172121662189485).

Almost surely, 2^{344243324378969} is an apocalyptic number.

It is an amenable number.

344243324378969 is a deficient number, since it is larger than the sum of its proper divisors (1).

344243324378969 is an equidigital number, since it uses as much as digits as its factorization.

344243324378969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257403904, while the sum is 71.

The spelling of 344243324378969 in words is "three hundred forty-four trillion, two hundred forty-three billion, three hundred twenty-four million, three hundred seventy-eight thousand, nine hundred sixty-nine".