347713256489 has 2 divisors, whose sum is σ = 347713256490. Its totient is φ = 347713256488.

The previous prime is 347713256483. The next prime is 347713256503. The reversal of 347713256489 is 984652317743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292997029264 + 54716227225 = 541292^2 + 233915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347713256489 is a prime.

It is not a weakly prime, because it can be changed into another prime (347713256483) 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, 173856628244 + 173856628245.

It is an arithmetic number, because the mean of its divisors is an integer number (173856628245).

Almost surely, 2^347713256489 is an apocalyptic number.

It is an amenable number.

347713256489 is a deficient number, since it is larger than the sum of its proper divisors (1).

347713256489 is an equidigital number, since it uses as much as digits as its factorization.

347713256489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 59.

The spelling of 347713256489 in words is "three hundred forty-seven billion, seven hundred thirteen million, two hundred fifty-six thousand, four hundred eighty-nine".