491553334 has 8 divisors (see below), whose sum is σ = 780702408. Its totient is φ = 231319200.

The previous prime is 491553331. The next prime is 491553353. The reversal of 491553334 is 433355194.

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

It is a junction number, because it is equal to n+sod(n) for n = 491553293 and 491553302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491553331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7228692 + ... + 7228759.

It is an arithmetic number, because the mean of its divisors is an integer number (97587801).

Almost surely, 2^491553334 is an apocalyptic number.

491553334 is a deficient number, since it is larger than the sum of its proper divisors (289149074).

491553334 is a wasteful number, since it uses less digits than its factorization.

491553334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457470.

The product of its digits is 97200, while the sum is 37.

The square root of 491553334 is about 22171.0020973343. The cubic root of 491553334 is about 789.2057038150.

The spelling of 491553334 in words is "four hundred ninety-one million, five hundred fifty-three thousand, three hundred thirty-four".