343020836489 has 2 divisors, whose sum is σ = 343020836490. Its totient is φ = 343020836488.

The previous prime is 343020836413. The next prime is 343020836513. The reversal of 343020836489 is 984638020343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311369580025 + 31651256464 = 558005^2 + 177908^2 .

It is a cyclic number.

It is not a de Polignac number, because 343020836489 - 2¹² = 343020832393 is a prime.

It is a super-2 number, since 2×343020836489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343020836989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171510418244 + 171510418245.

It is an arithmetic number, because the mean of its divisors is an integer number (171510418245).

Almost surely, 2^343020836489 is an apocalyptic number.

It is an amenable number.

343020836489 is a deficient number, since it is larger than the sum of its proper divisors (1).

343020836489 is an equidigital number, since it uses as much as digits as its factorization.

343020836489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 343020836489 in words is "three hundred forty-three billion, twenty million, eight hundred thirty-six thousand, four hundred eighty-nine".