34356846721 has 2 divisors, whose sum is σ = 34356846722. Its totient is φ = 34356846720.

The previous prime is 34356846709. The next prime is 34356846743. The reversal of 34356846721 is 12764865343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23681824321 + 10675022400 = 153889^2 + 103320^2 .

It is a cyclic number.

It is not a de Polignac number, because 34356846721 - 2¹¹ = 34356844673 is a prime.

It is a super-2 number, since 2×34356846721² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34356846521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17178423360 + 17178423361.

It is an arithmetic number, because the mean of its divisors is an integer number (17178423361).

Almost surely, 2^34356846721 is an apocalyptic number.

It is an amenable number.

34356846721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34356846721 is an equidigital number, since it uses as much as digits as its factorization.

34356846721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 34356846721 in words is "thirty-four billion, three hundred fifty-six million, eight hundred forty-six thousand, seven hundred twenty-one".