835359493 has 2 divisors, whose sum is σ = 835359494. Its totient is φ = 835359492.

The previous prime is 835359487. The next prime is 835359523. The reversal of 835359493 is 394953538.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681053409 + 154306084 = 26097^2 + 12422^2 .

It is a cyclic number.

It is not a de Polignac number, because 835359493 - 2²⁹ = 298488581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835359293) 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, 417679746 + 417679747.

It is an arithmetic number, because the mean of its divisors is an integer number (417679747).

Almost surely, 2^835359493 is an apocalyptic number.

It is an amenable number.

835359493 is a deficient number, since it is larger than the sum of its proper divisors (1).

835359493 is an equidigital number, since it uses as much as digits as its factorization.

835359493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 49.

The square root of 835359493 is about 28902.5862683601. The cubic root of 835359493 is about 941.7980872922.

The spelling of 835359493 in words is "eight hundred thirty-five million, three hundred fifty-nine thousand, four hundred ninety-three".