34701621695989 has 2 divisors, whose sum is σ = 34701621695990. Its totient is φ = 34701621695988.

The previous prime is 34701621695887. The next prime is 34701621696013. The reversal of 34701621695989 is 98959612610743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34279327071025 + 422294624964 = 5854855^2 + 649842^2 .

It is a cyclic number.

It is not a de Polignac number, because 34701621695989 - 2¹¹ = 34701621693941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34701621665989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17350810847994 + 17350810847995.

It is an arithmetic number, because the mean of its divisors is an integer number (17350810847995).

It is a 1-persistent number, because it is pandigital, but 2⋅34701621695989 = 69403243391978 is not.

Almost surely, 2^{34701621695989} is an apocalyptic number.

It is an amenable number.

34701621695989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34701621695989 is an equidigital number, since it uses as much as digits as its factorization.

34701621695989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 70.

The spelling of 34701621695989 in words is "thirty-four trillion, seven hundred one billion, six hundred twenty-one million, six hundred ninety-five thousand, nine hundred eighty-nine".