34347446729 has 2 divisors, whose sum is σ = 34347446730. Its totient is φ = 34347446728.

The previous prime is 34347446711. The next prime is 34347446779. The reversal of 34347446729 is 92764474343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29170932025 + 5176514704 = 170795^2 + 71948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34347446729 is a prime.

It is not a weakly prime, because it can be changed into another prime (34347446779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17173723364 + 17173723365.

It is an arithmetic number, because the mean of its divisors is an integer number (17173723365).

Almost surely, 2^34347446729 is an apocalyptic number.

It is an amenable number.

34347446729 is a deficient number, since it is larger than the sum of its proper divisors (1).

34347446729 is an equidigital number, since it uses as much as digits as its factorization.

34347446729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 53.

The spelling of 34347446729 in words is "thirty-four billion, three hundred forty-seven million, four hundred forty-six thousand, seven hundred twenty-nine".