34345531447 has 2 divisors, whose sum is σ = 34345531448. Its totient is φ = 34345531446.

The previous prime is 34345531421. The next prime is 34345531463. The reversal of 34345531447 is 74413554343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34345531447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345531417) 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, 17172765723 + 17172765724.

It is an arithmetic number, because the mean of its divisors is an integer number (17172765724).

Almost surely, 2^34345531447 is an apocalyptic number.

34345531447 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345531447 is an equidigital number, since it uses as much as digits as its factorization.

34345531447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 43.

The spelling of 34345531447 in words is "thirty-four billion, three hundred forty-five million, five hundred thirty-one thousand, four hundred forty-seven".