343670209481 has 2 divisors, whose sum is σ = 343670209482. Its totient is φ = 343670209480.

The previous prime is 343670209457. The next prime is 343670209507. The reversal of 343670209481 is 184902076343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185230387456 + 158439822025 = 430384^2 + 398045^2 .

It is a cyclic number.

It is not a de Polignac number, because 343670209481 - 2⁶ = 343670209417 is a prime.

It is a super-2 number, since 2×343670209481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343670259481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171835104740 + 171835104741.

It is an arithmetic number, because the mean of its divisors is an integer number (171835104741).

Almost surely, 2^343670209481 is an apocalyptic number.

It is an amenable number.

343670209481 is a deficient number, since it is larger than the sum of its proper divisors (1).

343670209481 is an equidigital number, since it uses as much as digits as its factorization.

343670209481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 343670209481 in words is "three hundred forty-three billion, six hundred seventy million, two hundred nine thousand, four hundred eighty-one".