834583434661 has 2 divisors, whose sum is σ = 834583434662. Its totient is φ = 834583434660.

The previous prime is 834583434653. The next prime is 834583434667. The reversal of 834583434661 is 166434385438.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810405050625 + 24178384036 = 900225^2 + 155494^2 .

It is a cyclic number.

It is not a de Polignac number, because 834583434661 - 2³ = 834583434653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834583434667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417291717330 + 417291717331.

It is an arithmetic number, because the mean of its divisors is an integer number (417291717331).

Almost surely, 2^834583434661 is an apocalyptic number.

It is an amenable number.

834583434661 is a deficient number, since it is larger than the sum of its proper divisors (1).

834583434661 is an equidigital number, since it uses as much as digits as its factorization.

834583434661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 55.

The spelling of 834583434661 in words is "eight hundred thirty-four billion, five hundred eighty-three million, four hundred thirty-four thousand, six hundred sixty-one".