34254158820517 has 2 divisors, whose sum is σ = 34254158820518. Its totient is φ = 34254158820516.

The previous prime is 34254158820493. The next prime is 34254158820551. The reversal of 34254158820517 is 71502885145243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33966877828321 + 287280992196 = 5828111^2 + 535986^2 .

It is a cyclic number.

It is not a de Polignac number, because 34254158820517 - 2¹⁵ = 34254158787749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34254158820317) 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, 17127079410258 + 17127079410259.

It is an arithmetic number, because the mean of its divisors is an integer number (17127079410259).

Almost surely, 2^{34254158820517} is an apocalyptic number.

It is an amenable number.

34254158820517 is a deficient number, since it is larger than the sum of its proper divisors (1).

34254158820517 is an equidigital number, since it uses as much as digits as its factorization.

34254158820517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752000, while the sum is 55.

The spelling of 34254158820517 in words is "thirty-four trillion, two hundred fifty-four billion, one hundred fifty-eight million, eight hundred twenty thousand, five hundred seventeen".