835434480991 has 4 divisors (see below), whose sum is σ = 911383070184. Its totient is φ = 759485891800.

The previous prime is 835434480983. The next prime is 835434481033. The reversal of 835434480991 is 199084434538.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 835434480991 - 2³ = 835434480983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835434480901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37974294580 + ... + 37974294601.

It is an arithmetic number, because the mean of its divisors is an integer number (227845767546).

Almost surely, 2^835434480991 is an apocalyptic number.

835434480991 is a deficient number, since it is larger than the sum of its proper divisors (75948589193).

835434480991 is a wasteful number, since it uses less digits than its factorization.

835434480991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75948589192.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 835434480991 in words is "eight hundred thirty-five billion, four hundred thirty-four million, four hundred eighty thousand, nine hundred ninety-one".