34778124692243 has 2 divisors, whose sum is σ = 34778124692244. Its totient is φ = 34778124692242.

The previous prime is 34778124692203. The next prime is 34778124692287. The reversal of 34778124692243 is 34229642187743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34778124692243 - 2³² = 34773829724947 is a prime.

It is not a weakly prime, because it can be changed into another prime (34778124692203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17389062346121 + 17389062346122.

It is an arithmetic number, because the mean of its divisors is an integer number (17389062346122).

Almost surely, 2^{34778124692243} is an apocalyptic number.

34778124692243 is a deficient number, since it is larger than the sum of its proper divisors (1).

34778124692243 is an equidigital number, since it uses as much as digits as its factorization.

34778124692243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 62.

The spelling of 34778124692243 in words is "thirty-four trillion, seven hundred seventy-eight billion, one hundred twenty-four million, six hundred ninety-two thousand, two hundred forty-three".