834953641 has 2 divisors, whose sum is σ = 834953642. Its totient is φ = 834953640.

The previous prime is 834953579. The next prime is 834953671. The reversal of 834953641 is 146359438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470716416 + 364237225 = 21696^2 + 19085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834953641 is a prime.

It is not a weakly prime, because it can be changed into another prime (834953671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417476820 + 417476821.

It is an arithmetic number, because the mean of its divisors is an integer number (417476821).

Almost surely, 2^834953641 is an apocalyptic number.

It is an amenable number.

834953641 is a deficient number, since it is larger than the sum of its proper divisors (1).

834953641 is an equidigital number, since it uses as much as digits as its factorization.

834953641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 834953641 is about 28895.5643827907. The cubic root of 834953641 is about 941.6455411695.

The spelling of 834953641 in words is "eight hundred thirty-four million, nine hundred fifty-three thousand, six hundred forty-one".