34261985671 has 2 divisors, whose sum is σ = 34261985672. Its totient is φ = 34261985670.

The previous prime is 34261985663. The next prime is 34261985689. The reversal of 34261985671 is 17658916243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34261985671 - 2³ = 34261985663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34261985651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17130992835 + 17130992836.

It is an arithmetic number, because the mean of its divisors is an integer number (17130992836).

Almost surely, 2^34261985671 is an apocalyptic number.

34261985671 is a deficient number, since it is larger than the sum of its proper divisors (1).

34261985671 is an equidigital number, since it uses as much as digits as its factorization.

34261985671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The spelling of 34261985671 in words is "thirty-four billion, two hundred sixty-one million, nine hundred eighty-five thousand, six hundred seventy-one".