491302454 has 8 divisors (see below), whose sum is σ = 737349480. Its totient is φ = 245519296.

The previous prime is 491302447. The next prime is 491302489. The reversal of 491302454 is 454203194.

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

It is a self number, because there is not a number n which added to its sum of digits gives 491302454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61244 + ... + 68799.

It is an arithmetic number, because the mean of its divisors is an integer number (92168685).

Almost surely, 2^491302454 is an apocalyptic number.

491302454 is a deficient number, since it is larger than the sum of its proper divisors (246047026).

491302454 is a wasteful number, since it uses less digits than its factorization.

491302454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131934.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 491302454 is about 22165.3435344458. The cubic root of 491302454 is about 789.0714154904.

The spelling of 491302454 in words is "four hundred ninety-one million, three hundred two thousand, four hundred fifty-four".