491695702 has 16 divisors (see below), whose sum is σ = 770081760. Its totient is φ = 235014912.

The previous prime is 491695691. The next prime is 491695703. The reversal of 491695702 is 207596194.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491695703) by changing a digit.

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, 144088 + ... + 147460.

It is an arithmetic number, because the mean of its divisors is an integer number (48130110).

Almost surely, 2^491695702 is an apocalyptic number.

491695702 is a deficient number, since it is larger than the sum of its proper divisors (278386058).

491695702 is a wasteful number, since it uses less digits than its factorization.

491695702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 491695702 is about 22174.2125452067. The cubic root of 491695702 is about 789.2818886928.

The spelling of 491695702 in words is "four hundred ninety-one million, six hundred ninety-five thousand, seven hundred two".