491305195416 has 32 divisors (see below), whose sum is σ = 1403729130240. Its totient is φ = 140372912928.

The previous prime is 491305195397. The next prime is 491305195463. The reversal of 491305195416 is 614591503194.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462217676 + ... + 1462218011.

It is an arithmetic number, because the mean of its divisors is an integer number (43866535320).

Almost surely, 2^491305195416 is an apocalyptic number.

It is an amenable number.

491305195416 is an abundant number, since it is smaller than the sum of its proper divisors (912423934824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491305195416 is a wasteful number, since it uses less digits than its factorization.

491305195416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924435703 (or 2924435699 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 491305195416 in words is "four hundred ninety-one billion, three hundred five million, one hundred ninety-five thousand, four hundred sixteen".