835011409 has 4 divisors (see below), whose sum is σ = 835259904. Its totient is φ = 834762916.

The previous prime is 835011407. The next prime is 835011469. The reversal of 835011409 is 904110538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 835011409 - 2¹ = 835011407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (835011403) 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 in 3 ways as a sum of consecutive naturals, for example, 119137 + ... + 125950.

It is an arithmetic number, because the mean of its divisors is an integer number (208814976).

Almost surely, 2^835011409 is an apocalyptic number.

It is an amenable number.

835011409 is a deficient number, since it is larger than the sum of its proper divisors (248495).

835011409 is a wasteful number, since it uses less digits than its factorization.

835011409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248494.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 835011409 is about 28896.5639652883. The cubic root of 835011409 is about 941.6672572355.

The spelling of 835011409 in words is "eight hundred thirty-five million, eleven thousand, four hundred nine".