34203544217 has 2 divisors, whose sum is σ = 34203544218. Its totient is φ = 34203544216.

The previous prime is 34203544171. The next prime is 34203544231. The reversal of 34203544217 is 71244530243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34189489216 + 14055001 = 184904^2 + 3749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34203544217 is a prime.

It is not a weakly prime, because it can be changed into another prime (34203544717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17101772108 + 17101772109.

It is an arithmetic number, because the mean of its divisors is an integer number (17101772109).

Almost surely, 2^34203544217 is an apocalyptic number.

It is an amenable number.

34203544217 is a deficient number, since it is larger than the sum of its proper divisors (1).

34203544217 is an equidigital number, since it uses as much as digits as its factorization.

34203544217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 34203544217 in words is "thirty-four billion, two hundred three million, five hundred forty-four thousand, two hundred seventeen".