34142921243 has 2 divisors, whose sum is σ = 34142921244. Its totient is φ = 34142921242.

The previous prime is 34142921231. The next prime is 34142921291. The reversal of 34142921243 is 34212924143.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34142921243 is a prime.

It is not a weakly prime, because it can be changed into another prime (34142921843) 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, 17071460621 + 17071460622.

It is an arithmetic number, because the mean of its divisors is an integer number (17071460622).

Almost surely, 2^34142921243 is an apocalyptic number.

34142921243 is a deficient number, since it is larger than the sum of its proper divisors (1).

34142921243 is an equidigital number, since it uses as much as digits as its factorization.

34142921243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The spelling of 34142921243 in words is "thirty-four billion, one hundred forty-two million, nine hundred twenty-one thousand, two hundred forty-three".