347434078009 has 2 divisors, whose sum is σ = 347434078010. Its totient is φ = 347434078008.

The previous prime is 347434077989. The next prime is 347434078091. The reversal of 347434078009 is 900870434743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214690442409 + 132743635600 = 463347^2 + 364340^2 .

It is a cyclic number.

It is not a de Polignac number, because 347434078009 - 2³¹ = 345286594361 is a prime.

It is not a weakly prime, because it can be changed into another prime (347434078099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173717039004 + 173717039005.

It is an arithmetic number, because the mean of its divisors is an integer number (173717039005).

Almost surely, 2^347434078009 is an apocalyptic number.

It is an amenable number.

347434078009 is a deficient number, since it is larger than the sum of its proper divisors (1).

347434078009 is an equidigital number, since it uses as much as digits as its factorization.

347434078009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 347434078009 in words is "three hundred forty-seven billion, four hundred thirty-four million, seventy-eight thousand, nine".