34145212547 has 2 divisors, whose sum is σ = 34145212548. Its totient is φ = 34145212546.

The previous prime is 34145212513. The next prime is 34145212631. The reversal of 34145212547 is 74521254143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34145212547 - 2¹² = 34145208451 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 34145212547.

It is not a weakly prime, because it can be changed into another prime (34145202547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17072606273 + 17072606274.

It is an arithmetic number, because the mean of its divisors is an integer number (17072606274).

Almost surely, 2^34145212547 is an apocalyptic number.

34145212547 is a deficient number, since it is larger than the sum of its proper divisors (1).

34145212547 is an equidigital number, since it uses as much as digits as its factorization.

34145212547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The spelling of 34145212547 in words is "thirty-four billion, one hundred forty-five million, two hundred twelve thousand, five hundred forty-seven".