491159935 has 8 divisors (see below), whose sum is σ = 673590816. Its totient is φ = 336795360.

The previous prime is 491159909. The next prime is 491159969. The reversal of 491159935 is 539951194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 491159935 - 2⁷ = 491159807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7016536 + ... + 7016605.

It is an arithmetic number, because the mean of its divisors is an integer number (84198852).

Almost surely, 2^491159935 is an apocalyptic number.

491159935 is a deficient number, since it is larger than the sum of its proper divisors (182430881).

491159935 is a wasteful number, since it uses less digits than its factorization.

491159935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14033153.

The product of its digits is 218700, while the sum is 46.

The square root of 491159935 is about 22162.1283950797. The cubic root of 491159935 is about 788.9951091039.

It can be divided in two parts, 4911 and 59935, that added together give a palindrome (64846).

The spelling of 491159935 in words is "four hundred ninety-one million, one hundred fifty-nine thousand, nine hundred thirty-five".