491096465 has 8 divisors (see below), whose sum is σ = 589475880. Its totient is φ = 392770432.

The previous prime is 491096461. The next prime is 491096519. The reversal of 491096465 is 564690194.

It can be written as a sum of positive squares in 4 ways, for example, as 30393169 + 460703296 = 5513^2 + 21464^2 .

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 491096465 - 2² = 491096461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491096461) 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 7 ways as a sum of consecutive naturals, for example, 10907 + ... + 33183.

It is an arithmetic number, because the mean of its divisors is an integer number (73684485).

Almost surely, 2^491096465 is an apocalyptic number.

It is an amenable number.

491096465 is a deficient number, since it is larger than the sum of its proper divisors (98379415).

491096465 is a wasteful number, since it uses less digits than its factorization.

491096465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691.

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

The square root of 491096465 is about 22160.6964015123. The cubic root of 491096465 is about 788.9611217519.

The spelling of 491096465 in words is "four hundred ninety-one million, ninety-six thousand, four hundred sixty-five".