491545095 has 8 divisors (see below), whose sum is σ = 786472176. Its totient is φ = 262157376.

The previous prime is 491545079. The next prime is 491545127. The reversal of 491545095 is 590545194.

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

It is not a de Polignac number, because 491545095 - 2⁴ = 491545079 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 16384822 + ... + 16384851.

It is an arithmetic number, because the mean of its divisors is an integer number (98309022).

Almost surely, 2^491545095 is an apocalyptic number.

491545095 is a deficient number, since it is larger than the sum of its proper divisors (294927081).

491545095 is a wasteful number, since it uses less digits than its factorization.

491545095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32769681.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 491545095 is about 22170.8162907909. The cubic root of 491545095 is about 789.2012944582.

Subtracting 491545095 from its reverse (590545194), we obtain a palindrome (99000099).

The spelling of 491545095 in words is "four hundred ninety-one million, five hundred forty-five thousand, ninety-five".