491829353 has 4 divisors (see below), whose sum is σ = 507694848. Its totient is φ = 475963860.

The previous prime is 491829319. The next prime is 491829361. The reversal of 491829353 is 353928194.

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 a de Polignac number, because none of the positive numbers 2^k-491829353 is a prime.

It is a super-2 number, since 2×491829353² = 483792224944797218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491819353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7932701 + ... + 7932762.

It is an arithmetic number, because the mean of its divisors is an integer number (126923712).

Almost surely, 2^491829353 is an apocalyptic number.

It is an amenable number.

491829353 is a deficient number, since it is larger than the sum of its proper divisors (15865495).

491829353 is a wasteful number, since it uses less digits than its factorization.

491829353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865494.

The product of its digits is 233280, while the sum is 44.

The square root of 491829353 is about 22177.2259987583. The cubic root of 491829353 is about 789.3533954919.

The spelling of 491829353 in words is "four hundred ninety-one million, eight hundred twenty-nine thousand, three hundred fifty-three".