491118703 has 8 divisors (see below), whose sum is σ = 494626496. Its totient is φ = 487620000.

The previous prime is 491118697. The next prime is 491118713. The reversal of 491118703 is 307811194.

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

It is a cyclic number.

It is not a de Polignac number, because 491118703 - 2⁵ = 491118671 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 (491118713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134125 + ... + 137737.

It is an arithmetic number, because the mean of its divisors is an integer number (61828312).

Almost surely, 2^491118703 is an apocalyptic number.

491118703 is a deficient number, since it is larger than the sum of its proper divisors (3507793).

491118703 is a wasteful number, since it uses less digits than its factorization.

491118703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 491118703 is about 22161.1981399923. The cubic root of 491118703 is about 788.9730302423.

Adding to 491118703 its reverse (307811194), we get a palindrome (798929897).

The spelling of 491118703 in words is "four hundred ninety-one million, one hundred eighteen thousand, seven hundred three".