491316395 has 8 divisors (see below), whose sum is σ = 591773040. Its totient is φ = 391590880.

The previous prime is 491316389. The next prime is 491316403. The reversal of 491316395 is 593613194.

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

It is not a de Polignac number, because 491316395 - 2⁸ = 491316139 is a prime.

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, 181301 + ... + 183990.

It is an arithmetic number, because the mean of its divisors is an integer number (73971630).

Almost surely, 2^491316395 is an apocalyptic number.

491316395 is a deficient number, since it is larger than the sum of its proper divisors (100456645).

491316395 is a wasteful number, since it uses less digits than its factorization.

491316395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365565.

The product of its digits is 87480, while the sum is 41.

The square root of 491316395 is about 22165.6580096328. The cubic root of 491316395 is about 789.0788788771.

The spelling of 491316395 in words is "four hundred ninety-one million, three hundred sixteen thousand, three hundred ninety-five".